Best Underseat Subwoofer To Boost Your Car Audio In 2019

Many of you would have thought of adding an extra bass to your car audio. However, leg space issues have been holding you back. If you can relate to this situation, then our list of underseat subwoofer will surely help you to choose a good product in this segment.

Frankly speaking we analyzed and found there are exactly 4 factors one should concentrate on, when selecting the right underseat sub for car. Period. These 4 factors are the most important of all. Have a look into these 4 factors below –

  • RMS Power.
  • Compact Design.
  • Good protection against – Overload, Thermal injury & short circuit.
  • Easy Installation.

We hand picked exactly 3 products keeping in mind the above factors, for your immediate reference as the best in the market. If you want to know in details then read the complete review in next section.

Preview
Editor's Choice - Best Underseat Sub
Rockford Fosgate P300-12 Punch 300 Watt Powered Loaded 12-Inch Subwoofer Enclosure
1st Runner Up
Sound Storm LOPRO8 Amplified Car Subwoofer - 600 Watts Max Power, Low Profile, 8 Inch Subwoofer, Remote Subwoofer Control, Great For Vehicles That Need Bass But Have Limited Space
Value For Money
Rockville RW10CA 10" 800 Watt Slim Low Profile Active Powered Car Subwoofer Sub
Title
Rockford Fosgate P300-12 Punch 300 Watt Powered Loaded 12-Inch Subwoofer Enclosure
Sound Storm LOPRO8 Amplified Car Subwoofer - 600 Watts Max Power, Low Profile, 8 Inch Subwoofer, Remote Subwoofer Control, Great For Vehicles That Need Bass But Have Limited Space
Rockville RW10CA 10" 800 Watt Slim Low Profile Active Powered Car Subwoofer Sub
Color
Black
Black
Bi-color ( Black & Blue )
Product Specialties
300W Class D Amp, MDF construction for extra protection, Auto on-off sensor
Extremely compact, Rich bass, Subsonic filter, Thermal & short circuit insulation
In-built MOSFET amp for better response, Auto turn on-off mode, Includes mounting hardware
Editor's Choice - Best Underseat Sub
Preview
Rockford Fosgate P300-12 Punch 300 Watt Powered Loaded 12-Inch Subwoofer Enclosure
Title
Rockford Fosgate P300-12 Punch 300 Watt Powered Loaded 12-Inch Subwoofer Enclosure
Color
Black
Product Specialties
300W Class D Amp, MDF construction for extra protection, Auto on-off sensor
1st Runner Up
Preview
Sound Storm LOPRO8 Amplified Car Subwoofer - 600 Watts Max Power, Low Profile, 8 Inch Subwoofer, Remote Subwoofer Control, Great For Vehicles That Need Bass But Have Limited Space
Title
Sound Storm LOPRO8 Amplified Car Subwoofer - 600 Watts Max Power, Low Profile, 8 Inch Subwoofer, Remote Subwoofer Control, Great For Vehicles That Need Bass But Have Limited Space
Color
Black
Product Specialties
Extremely compact, Rich bass, Subsonic filter, Thermal & short circuit insulation
Value For Money
Preview
Rockville RW10CA 10" 800 Watt Slim Low Profile Active Powered Car Subwoofer Sub
Title
Rockville RW10CA 10" 800 Watt Slim Low Profile Active Powered Car Subwoofer Sub
Color
Bi-color ( Black & Blue )
Product Specialties
In-built MOSFET amp for better response, Auto turn on-off mode, Includes mounting hardware

In our detailed list below we present to you some of the best underseat subwoofers with complete know how. If you are looking for installation guide, then here is a step by step guide to install. These subwoofers have been chosen for their sleek design to fit under your car seat, saving space. All these products are chosen based on the above 4 deciding factors for optimum sound performance and long durability. So, read on to find the best in the business.

Check our picks for Top Underseat Subwoofer :

Rockford Fosgate P300-12 Punch Underseat Subwoofer :

The Rockford Fosgate P300-12 Punch is the number one, on our list of top underseat subwoofers. If you want to increase the bass of your existing car audio system but do not want the clutter of wires and the hassle of separate woofers and amplifiers, we suggest you go for the Rockford Fosgate P300-12 Punch. It is designed to deliver high output at low current consumption and comes with thermal and high-voltage protection. The subwoofer has a powerful 12-inch subwoofer housed in a heavy duty specially sealed cabinet. It is powered by a 300W (RMS) Class D amplifier with top power of 600W. The device, which has wired connectivity, is completely self-sufficient and all-inclusive. Simply power up, ground and send a signal from the source to fire up the system. The Rockford Fosgate P300-12 Punch is CEA-2031 certified. It includes a remote bass-level control. The variable low-pass crossover is 50 to 200Hz, 12 dB/octave and frequency response is 35Hz to 150Hz. The durable exterior of the subwoofer protects it from bumps and scrapes. It has a 5/8-inch MDF construction for greater protection and long lasting body. It has 12 AWG input terminals. The device features an adjustable bass boost EQ and the bass level can be controlled remotely. Separate low-level as well as speaker-level inputs have been provided. It has auto on/off sensor mode. Dimensions of the product are: 15” x 19.8” x 11”. It weighs 16 lbs.

Rockford-Fosgate-P300-12-Punch car subwoofer for underseat installation

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Features:

  • 12-inch underseat subwoofer with 300W (RMS) Class D amplifier.
  • Wired connectivity, adjustable bass boost EQ (remote controllable).
  • Top power 600W, RMS 300W.
  • CEA-2031 certified.
  • 5/8-inch MDF construction for extra protection.
  • 12 AWG input terminals.
  • Auto on/off sensor mode.

Sound Storm LOPRO8 Underseat Subwoofer :

Designed for a rich bass effect in your vehicle, this 8-inch underseat subwoofer from Sound Storm Laboratories takes the second position. This one uses MOSFET power supply with high and low level inputs. The max power output is 600 Watts. It uses built-in class A/B amplifiers with linear circuitry, for an enhanced sound quality and power output. The technology works on reducing distortion to increase efficiency to optimum levels. Some of the awesome features of Sound Storm LOPRO8 are low pass cross over and phase control. It includes a subsonic filter and remote subwoofer control. The size of the subwoofer is 8 inches with a width of 3 inches. This makes it an apt option for vehicles with small leg space. You can enjoy thumping bass effect in your vehicle with no compromises. The Sound Storm LOPRO8 has Overload, Thermal and Short Protection Circuitry for added protection. It also has variable input gain control, variable low pass filter and variable bass boost. The subwoofer weighs 11.5 lbs.

Sound-Storm-LOPRO8 car subwoofer with rich bass effect

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Features:

  • Variable input control ensures optimum performance by matching the amplifier input to the output signal.
  • Extremely compact and low profile body with no compromise on the output.
  • It offers phase control feature to switch the speaker phase.
  • Protected against short circuit by automatic shut off system when the amplifier gets too hot.
  • Variable bass boost and subwoofer level control through a wired remote control is provided.
  • Subsonic filter for subwoofer protection and performance on reaching very low frequencies.
  • Rich deep bass and a high level input plug.

Rockville RW10CA Underseat Subwoofer :

This cool 10-inch 800W underseat subwoofer from Rockville will truly rock your day. The thunderous bass effect and high quality performance places this subwoofer on our list. It has a whopping 800Watts max power and a RMS value of 200 Watts. The power supply of the Rockville RW10CA is PWM MOSFET. It is CEA-2006 standard compliant which proves its authenticity in the power ratings. This leaves you assured of the powerful output and volume from this product. All this awesomeness is wrapped in a compact slim and low profile subwoofer enclosure that hardly occupies any space. The wired remote control is easy to use and all the operations are pretty basic in nature. The device has modern sensor technology for auto turn on and off. It is 10 inches in size with has a built-in amplifier. The installation and wiring is pretty simple and clean in this product. All the output and input ports have been assembled on a single side for easy installation. It has a low-level RCA input and high-level inputs with auto turn on/off. Sound tweaking is much easier in this device with the amazing controls. Input sensitivity of the subwoofer is adjustable. It comes with thermal protection circuitry, overload protection circuitry and short protection circuitry for added protection. The device has a phase switch of 0ᵒ or 180ᵒ. Frequency response is 20Hz to 150Hz and impendence is 2ohm. Bass boost is low at 0 to 18dB @ 45 Hz and low pass filter is also low at 50Hz to 150Hz. Dimensions are: 12.4” x 13.4” x 2.7”. It weighs 14.25 lbs.

Rockville-RW10CA subwoofer for motor sport

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Features :

  • It produces 800 Watts peak power and has a RMS value of 200 Watts.
  • It has a MOSFET amplifier.
  • Sensor technology for auto turn on and off modes.
  • Protection against overload, thermal circuit and short circuit.
  • Variable bass boost from 0 to 18 dB at 45 Hz.
  • Has a low pass filter from 50 to 150 Hz.
  • Frequency range varies from 20 to 150 Hz.
  • The product includes mounting hardware and remote bass knob.

Pioneer TS-SWX2502 10 inch Shallow-Mount Underseat Subwoofer :

One of the most popular underseat subwoofers currently sold in the market is the Pioneer TS-SWX2502. It is compact in shape and can easily be accommodated under your driver’s seat, front passenger seat or car trunk. It has a non-slip carpeted and scratchproof enclosure. The TS-SWX2502 has a 5/5-inch fiberboard construction of medium density. Its cabinet is lined with a soft black carpet for keeping the device free from scratches. Sound quality of the TS-SWX2502 hits the top spot with all genres of music. Booming bass and loud and clear sound is its USP. The subwoofer is housed in a 10-inch preloaded and shallow-mount woofer enclosure. It has an extra large cone to increase the cone and gasket surface area without altering the normal external dimensions of the cone. The surface of the cone moves more air and makes the subwoofer produce deeper bass. The cone itself is made of reinforced MICA injection molded resin which is extremely rigid and durable. The Pioneer TS-SWX2502 also has two spiders for greater cone motion control for stabilizing the excursion of the cone and optimizing its stiffness. The spiders support the linear movement of the subwoofer for a more accurate bass. In other words, the Pioneer TS-SWX2502 under seat subwoofer uses advanced acoustic technology to add loud and resonating bass to your existing car stereo system. No matter how big or small your vehicle is, the Pioneer TS-SWX2502 scores high on overall performance. Maximum power output of the device is 1200W and nominal power is 300W. Frequency response is 20Hz to 200Hz. Impendence is single 4 ohm and sensitivity is 1W/1meter @ 89dB. The package includes the subwoofer, mounting brackets and screws and an instruction manual. Dimensions of the Pioneer TS-SWX2502 subwoofer are: 8.4” x 18.5” x 14.4”. It weighs 18.17 lbs.

Pioneer TS-SWX2502 Under seat subwoofer

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Features: 

  • 10-inch under seat subwoofer.
  • Preloaded and shallow-mount woofer cabinet.
  • 5/5-inch fiberboard construction of medium density.
  • Cone made of reinforced MICA injection molded resin.
  • Dual spiders for accurate cone motion control.
  • Non-slip carpeted and scratchproof outer frame.
  • Max power 1200W, nominal power 300W.
  • Frequency response is 20Hz to 200Hz.

Kicker 11HS8 Underseat Subwoofer :

An actual kicker in the world of subwoofers, the model 11HS8 from Kicker stands at the fifth position on our list. This hideaway underseat subwoofer will fit seamlessly under your seat. The 8-inch enclosure gives an output of 150 Watts. The surprisingly low frequency out from such a compact design has set a new standard. It is a class apart in plug and play bass performance and convenience. For easy and secure installation it comes with Velcro fastened nylon straps. Removal is simple and fast too. It enables bass control and fine-tuning remotely. Adding to the awesomeness, it features high and low level inputs that can integrate with any factory of after-market head unit. The device has speaker-level inputs, auto turn on/off, bass boost control and a wired remote control. Frequency response is 25 to 120Hz. Variable low-pass crossover is 50 to 120Hz and variable phase control is 0 to 180ᵒ.

Kicker-11HS8 car subwoofer

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Features:

  • 8-inch compact underseat powered subwoofer.
  • RMS value of 150 Watts and peak power output of 150 Watts.
  • A quick connect power plug provided.
  • Quick connect harness and Molex plug enables remote turn-on and power and signal.
  • Variable Bass boost of +6 dB has been provided.
  • Phase cancelling switch and automatic turn-on features.
  • Kick ass thunderous performance in a very sleek design.
  • The compact structure is designed such that it fits in the tightest spaces.
  • Speaker-level inputs, bass boost control and a wired remote control.

Cerwin-vega Mobile VPAS10 Powered Active Subwoofer For Underseat Installation :

The next awesome underseat subwoofer on our list is the Cerwin-vega Mobile VPAS10 Powered Active Subwoofer. It has a low-profile 10-inch enclosure and can easily be placed under your car seat or car trunk. Its space-saving design and size enables it to fit in small spaces without any problem. Power supply of the subwoofer is MOSFET. Peak power handling is 160W and RMS power is 80W. It has a built-in thermal protection circuit that protects the woofer from overheating due to continued use. The unique circuitry keeps the device cool even after hours of non-stop playing. Cerwin-vega is a renowned car accessories manufacturing company. It is a leading car audio maker and is credited with making some of the best automobile subwoofers of all time. The Cerwin-vega Mobile VPAS10 under seat subwoofer is specially crafted to deliver low frequencies with low power input. The body is made of solid cast aluminum for better heat dissipation and long lasting performance. A metal grille covers the subwoofer for added protection. The subwoofer has adjustable input sensitivity and includes a remote bass control knob. It also has high-level and RCA inputs, auto power on feature and a phase switch. Frequency range of the device is 75Hz to 150Hz and impendence is 2 ohm. RCA plug inputs are provided. Dimensions of the device are: 13.6” x 9.7” x 2.6”. It weighs 12.9 lbs.

Cerwin Vega Mobile Powered Underseat Subwoofer

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 Features:

  •  Powered active under seat subwoofer for automobile.
  • Low-profile 10-inch cast aluminum enclosure.
  • MOSFET power supply.
  • Peak power handling 160W, RMS 80W.
  • Built-in thermal protection circuit.
  • Frequency response 75Hz to 150Hz.
  • Adjustable input sensitivity, remote bass control knob.
  • High-level and RCA inputs, auto power on, phase switch.

Pyle PLBASS8 8-Inch Super Slim Active Underseat Subwoofer :

Another formidable underseat powered subwoofer is the Pyle PLBASS8. It is an 8-inch ultra slim active subwoofer perfect for cars of all sizes, pick-up trucks and vans. It has a flat and compact design for below-the-seat placement. It leaves you free to move your legs around and is hardly noticeable under the seat. The Pyle PLBASS8 accepts high-level speaker line inputs as well as RCA low-level inputs. There are red and green LED indicators to show Protection and Power statuses respectively. Phase shift switch is 0ᵒ to 180ᵒ. The device comes with a remote for easy and flexible bass boost level control. Its adjustable input sensitivity is 0.2V to 3V and low pass filter is 50Hz to 150Hz. The low pass filter makes sure your signal quality is unaffected by disruptive subsonics. The variable bass boost is 0 to +12dB @ 45Hz. Max power of the Pyle PLBASS8 subwoofer is 600W and RMS is 300W. It is built with special thermal and overload protection circuitry to afford greater protection to the woofer’s internal parts against the harmful effects of overheating and overload from prolonged use. The device has auto turn on, soft start/stop delay. It also has 2 x 15A fuse. Dimensions of the speaker are: 16.9” x 12.6” x 4.7”. It weighs 10.5 lbs.

Pyle PLBASS8 8-Inch Super Slim Active Under Seat Subwoofer

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Features:

  •  8-inch ultra slim active underseat subwoofer.
  • Red and green LED indicators to show Protection and Power statuses.
  • Accepts high-level speaker line inputs and RCA low-level inputs.
  • Remote for bass boost level control.
  • Thermal and overload protection circuitry.
  • Low pass filter, auto turn on, soft start/stop delay.
  • Max power 600W, RMS 300W.

Rockford Fosgate PS-8 8″ 150W RMS Underseat Powered Car Stereo Audio Subwoofer :

The next item on our list of amazing underseat subwoofers is the Rockford Fosgate PS-8 Powered Car Stereo Audio Subwoofer. It is built with advanced acoustic technology that minimizes stress on the car’s electrical system and battery while successfully maintaining high level power and bass output.  It is designed to achieve optimum sound projection with minimum power supply. The PS-8 has a cabinet frame made of hardy industrial grade vinyl which protects the internal parts from impact and dust. The device has three kinds of protective circuitry: thermal, short circuit and reverse polarity. It safeguards the subwoofer from damage due to overheating and short circuits. A remote bass level control is included in the package so you can comfortably adjust the bass level from the driver’s seat without having to bend down to reach for the subwoofer. The Rockford Fosgate PS-8 has a powerful 150W built-in Class D amplifier. The sealed cabinet contains an 8-inch driver and fits perfectly under your car’s seat and in the car trunk. If you have a small car with space constraints, we recommend you go for the PS-8. It has a compact and space-saving shape. Further, its inconspicuous design helps it blend easily with the car interior. The PS-8 has adjustable low pass crossover (12dB/octave). Max power is 300W and RMS is 150W. It has a 0ᵒ to 180ᵒ phase switch and Quick Disconnect power and signal connections. The device box includes mounting hardware and a power wiring kit with ground, turn-on and power wires. Dimensions of the subwoofer are: 3.3” x 9.4” x 14.4”. It weighs 14.3 lbs.

Rockford Fosgate PS-8 8inch 150W RMS Underseat Powered Car Stereo Audio Subwoofer for Underseat Installation in Car

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Features:

  •  Underseat subwoofer with 8-inch driver.
  • 150W built-in Class D amplifier.
  • Cabinet made of hardy industrial grade vinyl.
  • Thermal, short circuit and reverse polarity protection circuits.
  • Remote bass level control.
  • Adjustable low pass crossover (12dB/octave).
  • Quick Disconnect power and signal connections.
  • Max power 300W, RMS 150W.

Alpine Electronics PWE-S8 Restyle Compact Powered 8-Inch Underseat Subwoofer :

The next high performance underseat subwoofer for automobile we think you should check out is the PWE-S8 quad coil powered subwoofer by Alpine Electronics. This behemoth of a subwoofer produces deep and reverberating bass no matter what kind of music you are listening you. If you want to enhance the bass of your current car speakers but have space issues, we suggest you give the PWE-S8 a shot. It has a super compact shape and size that makes it possible for it to fit even in small cramped spaces like beneath your car seat. It is a powerful subwoofer housed in an 8-Inch heavy duty die cast aluminum enclosure. The cabinet is built for durability and long lasting performance of the internal acoustic parts. The PWE-S8 boasts a mighty 120W integrated amplifier for louder sound. The side panel of the device has speaker-level auto sensing inputs, RCA level inputs and various other buttons for managing remote sub level, gain, phase and LP crossover. All the controls are provided on a single side panel for ease of handling. Frequency response of the Alpine Electronics PWE-S8 is 32Hz to 150Hz. It has a top power handling of 240W and RMS power is 120W. Dimension of the subwoofer are: 13.4” x 9.1” x 2.8”. It weighs 10 lbs. The PWE-S8 has a rectangular black body with a sand texture finish. A metal mesh covers the top panel for added protection. The company logo of Alpine Electronics with the subwoofer model name is displayed next to the mesh on the top panel.

Alpine Electronics PWE-S8 Restyle Compact Powered 8-Inch Subwoofer

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Features:

  •  8-inch restyle compact powered quad coil subwoofer.
  • Heavy duty die cast aluminum enclosure.
  • 120W internal amplifier.
  • Speaker-level auto sensing inputs, RCA level inputs.
  • Frequency response is 32Hz to 150Hz.
  • Max power handling is 240W, RMS is 120W.

Planet Audio P8UAW 800 Watt Low Profile Amplified 8 Inch Subwoofer :

The Planet Audio P8UAW is another high-performance under seat subwoofer. It has a low profile and compact design for perfect underseat installation. It is unobtrusive and remains hidden from view. The P8UAW delivers serious bass with its 8-inch woofer and 800W (top power output) integrated Class A/B amplifier. RMS power output of the device is 400W. Power supply is MOSFET. With an 800W max power handling capability, the P8UAW assures hard-hitting bass for all genres of music. It has a remote subwoofer level control, high-level and low-level inputs and phase switch. The P8UAW has variable low pass filter 20Hz to 150Hz and variable bass boost 0 to 12dB @ 45Hz. It also has subsonic filter 20Hz to 50Hz and soft delay remote turn on. When a subwoofer runs non-stop for hours, its system becomes heated due to overload. This makes the device susceptible to many electrical and mechanical anomalies. The Planet Audio P8UAW has a three pronged protection circuitry which includes thermal, short circuit and overload protection. This unique circuit system safeguards the woofer from overheating, short circuits and overload issues respectively. The device also has a stylish blue backlight LED illumination highlighting the Planet Audio logo on the top panel. Dimensions of the subwoofer are: 13.9” x 9.9” x 3”. It weighs 11.8 lbs.

Planet Audio P8UAW 800 Watt Low Profile Amplified 8 Inch Under seat subwoofer

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Features:

  •  8-inch low-profile underseat subwoofer.
  • integrated Class A/B amplifier.
  • 800W max power output, RMS power output 400W.
  • Remote subwoofer level control, high-level and low-level inputs.
  • Variable low pass filter 20Hz to 150Hz, variable bass boost 0 to 12dB @ 45Hz.
  • Thermal, short circuit and overload protection.
  • MOSFET power supply.
  • Blue backlight LED illumination highlighting Planet Audio logo.

Pioneer TS-WH500A HVT Sealed 8.25″ 150W Active Subwoofer for Car Underseat Installation :

For those planning to crank up the bass of their car audio system, we suggest you check out the Pioneer TS-WH500A HVT sealed and powered active subwoofer. HVT is an acronym for Horizontal Vertical Transforming technology. This state-of-the-art technology converts the horizontal movement of a woofer diaphragm into vertical movement to generate full range and deeper bass. The diaphragm and voice coil work in tandem to nullify the impact of vibrations and distortions. The TS-WH500A HVT is designed to fit tight spaces under the seat and has a sturdy construction that can withstand impact from the car’s motion. It is equipped with a pair of 7-inch x 4-inch polypropylene woofers with protective rubber surrounds. It has a 50W integrated amplifier for resounding audio delivery. The subwoofer has a max power handling of 150W. It punches out deep bass to make your on-road musical entertainment more enjoyable. Frequency response of the Pioneer TS-WH500A HVT is 20Hz to 200Hz. Impendence is 4 ohm and sensitivity is 98dB. Dimensions of the speaker are 17.2” x 11.6” x 4.6”. It weighs 10.3 lbs. The package includes the subwoofer, wiring harness, RCA to speaker wire adapter, wired remote control, cable and mounting brackets, 10 amp ATO fuse, 0.5amp glass fuse and an instruction manual.

Pioneer TS-WH500A HVT Sealed 8.25inch 150W Active Subwoofer for Car

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Features:

  •  Compact 8.25-inch powered underseat subwoofer.
  • Advanced HVT technology.
  • Two 7” x 4” polypropylene woofers, rubber surrounds.
  • 50W integrated amplifier.
  • Max power handling of 150W.
  • 20Hz to 200Hz frequency response.

Dual Electronics BAK1500 10 inch Compact Low Profile Amplified Subwoofer for Car Underseat :

The BAK1500 underseat powered subwoofer from the house of Dual Electronics is next on our list of amazing car subwoofers. It is a low-profile subwoofer with a slender shape that is perfect for under-the-seat placement. It is compact and unobtrusive in size and remains fully concealed under your car’s seat. The Dual Electronics BAK1500 is built with a massive 10-inch 1500W (max power handling) Class A/B amplifier with an aluminum cone. It has rubber surrounds and a protective cap made of stainless steel for keeping out dust and dirt. The amplifier has a unique linear circuitry that enhances power output and audio quality while simultaneously minimizing distortions and refining acoustics. It has full-range low to high pass variable crossover for adjusting the bass. The device also has thermal and short circuit protection. This keeps the subwoofer safe from damages due to power fluctuations and overheating. The BAK1500 includes a knob for controlling the bass level. It has LED indicators for Protect and Power statuses. Low-level RCA inputs and high-level (speaker wire) inputs are provided. Frequency response of the device is 25Hz to 120Hz, crossover frequency is 50Hz to 160Hz and crossover slope is 6dB/octave. Signal to noise ratio is 92dB and impendence is 4 ohm. The subwoofer has a 1.3-inch voice coil and a 20oz magnet. Dimensions of the subwoofer are: 10.6” x 2.9” x 10.6”. It weighs 14.5 lbs.

Dual Electronics BAK1500 10 inch Compact Underseat Subwoofer

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Features:

  •  Underseat subwoofer with 10-inch Class A/B amplifier.
  • Aluminum cone, rubber surrounds, stainless steel dust cap.
  • 1500W max power handling.
  • Linear circuitry.
  • Thermal and short circuit protection.
  • LED indicators for protect and power status.
  • Low to high pass variable crossover.
  • Bass knob control.
  • Frequency response is 25Hz to 120Hz.

BOSS Audio BASS1600 1600 Watt Low Profile Amplified 10 Inch Subwoofer :

The Boss BASS1600 is a monster of an underseat subwoofer. It boasts a 10-inch integrated 1600W (maximum power) Class A/B amplifier that produces resounding audio. Its booming bass and high decibel sound levels are bound to leave you and your family enthralled. The Boss BASS1600 is built for compact cars. If you are looking to jack up the bass delivery your car’s stereo system, but your car is not big enough to accommodate a large subwoofer, we suggest you go for the Boss BASS1600. It is a massively powerful with awesome power output thanks to MOSFET power supply with Pulse Width Modulation (PWM). The subwoofer has blue LED indicators for showing Power status. There are RCA low-level and high-level inputs and subsonic filter. The device also has adjustable input sensitivity, low pass and high pass filter, variable bass boost, soft turn on and phase switch. The Boss BASS1600 has triple protection under the three protection circuits of Short, Thermal and Overload Protection. It also has single voice coil configuration. This means it is ideal for applications that have low to medium power. Also, a single coil subwoofer can be powered by a properly matched amplifier or it can be clubbed with multiple single coil subwoofers to get a wide range of impendences to match the amp set up. Therefore, being a single coil subwoofer gives the Boss BASS1600 a definite edge over others that are not. The device also has remote subwoofer level control. Dimensions of the speaker are: 15.2” x 11.1” x 3.4”. It weighs 14.7 lbs.

Boss Audio Systems R4002 BOSS Audio BASS1600 1600 Watt Low Profile Amplified 10 Inch Underseat Subwoofer

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Features:

  •  Underseat subwoofer with 10-inch integrated Class A/B amplifier.
  • Top power handling 1600W.
  • MOSFET power supply with Pulse Width Modulation (PWM).
  • Blue LED indicators for Power status.
  • RCA low-level, high-level inputs, subsonic filter.
  • Adjustable input sensitivity, low pass filter, high pass filter.
  • Variable bass boost, soft turn on, phase switch.
  • Single coil subwoofer.
  • Remote subwoofer level control.

Infinity BassLink SM 8″ Ultra-Compact Shallow Profile Hideaway Under Seat Subwoofer :

Another great under seat subwoofer for cars that we’d surely recommend is the Infinity BassLink SM. It is an ultra-compact subwoofer with a slim profile that allows it to fit into narrow tight spaces like under a car’s seat. The Infinity BassLink SM has an 8-inch shallow profile woofer inside a heavy duty engineered ABS plastic enclosure. Its max power output is 250W and RMS power is 125W. It is equipped with a powerful Class D amplifier for loud punchy sound levels. The subwoofer has high-level (speaker-level) inputs as well as low level RCA inputs. You can control the Audio Sense auto-turn on feature with the help of the high-level inputs. The device has remote and power/ground connections, soft start turn on and gold plated RCA. Frequency response of the Infinity BassLink SM is 35Hz to 120Hz. It has 0ᵒ to 180ᵒ phase control switch. Variable low pass filter is 50Hz to 120Hz, 12dB/octave and variable bass boost is 1 to +9dB@ 70Hz. The box contains the subwoofer, a 20 amp ATO fuse, a 7-inch speaker level input harness, 3mm Allen head bit , mounting screws and a user’s manual. Dimensions of the subwoofer are: 7” x 17” x 14”. It weighs 10 lbs.

Infinity BassLink SM 8inch Ultra-Compact Shallow Profile Hideaway Under-Seat Subwoofer

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Key features:

  •  Shallow profile ultra-compact underseat subwoofer.
  • 8-inch woofer inside an engineered ABS plastic enclosure.
  • Class D amplifier.
  • Max power output 250W, RMS 125W.
  • High-level and low level RCA inputs.
  • 35Hz to 120Hz frequency response.
  • Variable low pass filter: 50Hz to 120Hz, 12dB/octave.
  • Variable bass boost: 1 to +9dB@ 70Hz.
  • Gold plated RCA.

JBL Bass Pro SL Underseat Subwoofer :

It would be fair to say that JBL as a brand holds the very highly regarded position among underseat subwoofer segment. JBL’s Bass pro SL is a compact enclosed subwoofer with a peak power output of 250W and RMS 125W. It has an 8-inch low-profile woofer and RMS 125W Class D amplifier. It is enclosed in a heavy duty plastic cabinet with ABS construction. There are LED indicators -green and red to depict power and protect modes. It has a really soft start turn on with an audio sense technology for auto on feature. It has speaker level inputs with Auto Sense Auto-on. Even with the compact size the bass quality is excellent. The JBL Bass Pro SL has a unique 3- way protection circuitry in the form of thermal, overload and speaker short protection to ensure safety of the device. It has a variable low-pass filter of 50 to 120 Hz, 12dB/octave and a variable bass boost of 0 to +9 dB at 70 Hz. It has a wired bass that which is remote control ready. The JBL Bass Pro SL has a simple installation process and easily fits under your car seat. It is compatible with GTO RBC which is sold as a separate unit. Frequency response is 35 to 120 Hz. Selectable phase switch is 0ᵒ to 180ᵒ and highest current draw is 12 ampere. The screw- down connection for Ground, Power and Remote are gold-plated. Input sensitivity of the device is as follows: Low – 200mV to 2V; High – 2V to 20V. The speaker has both line-level and speaker inputs. Dimension of the product are: 17” x 13.5” x 6.7”. It weighs 10.1 lbs. Apart from the subwoofer, the box includes a 20 ampere ATO fuse, a 7-inch input harness, mounting screws, 3mm Allen head bit and an instruction manual.

JBL-Bass-Pro-SL Editor's Choice underseat subwoofer

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Features :

  • 8-inch low-profile underseat subwoofer.
  • Class D amplifier.
  • Max power 250W, RMS 125W.
  • Heavy duty RMS construction cabinet.
  • Speaker level inputs with Auto Sense Auto-on.
  • LED indicators.
  • 3- way protection circuitry in the form of thermal, overload and speaker short protection.
  • Wired bass that which is remote control ready.

Pioneer TS-WX120A Underseat Subwoofer :

The last but not the least on the list is a MOSFET amplifier from Pioneer. Pioneer is a well-known brand and popular for its products. Pioneer TS-WX120A gained very good review as underseat subwoofer for its high performance and sound quality. It is equipped with a powerful 150W in-built MOSFET amplifier. You can control the gain, LPF and phase remotely via a wired remote control. It offers a max power of 150 Watt and has a sensitivity of 98dB. Installation of this woofer is super simple on account of its sleek design. Due to its small and compact size, it hardly takes up any room. It can easily be accommodated under the driver’s or front passenger seat. If your car has space constraints but you wish to increase the bass of your existing speaker system, this is the under seat subwoofer you should go for. The aluminum woofer cone enables consistent and loud bass response. Whether you play FM radio or HD music, the Pioneer TS-WX120A delivers high fidelity playback quality. Overall, it is optimum for compact spaces and gives powerful output. The exterior is also durable and designed for use inside vehicles. There is a black metal grille on the top panel with the model name visible just below the grille. The Pioneer logo is displayed on the glossy black front panel. Dimensions of the subwoofer are: 9.7” x 15.3” x 4.4”. It weighs 8.15 lbs.

Underseat subwoofer from pioneer

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Features:

  • Under seat subwoofer with 150W in-built MOSFET amplifier.
  • 150 Watts max power output.
  • Remote control for frequency response, phase and gain adjustment.
  • Consistent bass response from aluminum woofer cone.
  • Compact body yet delivers powerful performance.
  • Bass effect is appreciable.
  • The durable aluminum exterior ensures that it lasts for years with least damage.

Overall the above list contains a very comprehensive, economical yet good choice for an everyday use underseat subwoofer.

Check Some Important FAQ Of Powered Underseat Sub For Your Vehicle :

What is an underseat subwoofer ?

An underseat subwoofer is a powered subwoofer for cars. It is a compact box-like woofer with built-in amplification. It is an all-in-one device that directly plugs into a car stereo system. It powers itself and does not require a separate amplifier.

If you are planning on upgrading the bass signature of your car music system, but don’t want to get your hands dirty and are just looking for an easy remedy, you should go for an underseat powered subwoofer. It is a one-stop-shop for all your bass needs. An underseat sub obviates the need to buy a sub and an amp separately, and then figure out a way to wire and mount them. It offers a complete solution as it contains both the subwoofer and the amplifier in a single consolidated unit. All you have to do it connect it to your receiver and an electrical source and you are good to go.

How big is an underseat subwoofer ?

An underseat subwoofer is a flat device with a shallow-profile cabinet. It has a space-saving design which allows it to slide into narrow spaces. A typical underseat sub is no more than 4 or 5 inches tall. It resembles a pizza box, but is thicker and more rectangular than square. The length and breadth are between 10 to 20 inches. The weight ranges from 3 to 12 kg.

An underseat sub works best with what kind of vehicles ?

An underseat subwoofer is a space-efficient gadget. It is suitable for vehicles with limited interior space like hatchbacks, small sedans and pickup trucks.

Where does one mount an underseat sub ?

The best place to install an underseat subwoofer is under the driver’s seat or the passenger seat. If those places are taken, try the rear area if you have a small car or the trunk if you own a sedan. If you have a truck, try mounting it behind the rear bench. The idea is to keep the sub out of sight so it doesn’t get in the way of things, but is still capable of filling the car with booming bass.

How big is the sound ?

An underseat sub produces a notable amount of bass. It boosts low frequencies and enhances the overall sound of the stereo system. However, it is not amongst the loudest automobile subwoofers. You won’t really be turning heads at a red light or rousing your neighbors as you enter your driveway. It doesn’t have a ton of power, but enough to fill up the gaps in the music. For a compact sub, we think it scores really well. It gives you just the right amount of bass without overwhelming the rest of the notes, which is very important.

What should be the frequency response of an underseat subwoofer ?

For a subwoofer to be able to reproduce all the low end frequencies, the ideal frequency response is 20 Hz to 200 Hz. It covers most of the audible bass frequencies and allows for a more complete reproduction of the original soundtrack. 

How does the power and sensitivity of the sub impact the sound ?

The power output of a subwoofer is represented in 2 ways: peak and RMS power. Peak power is the highest power a sub can put out at a given point. RMS power, also known as continuous power, is the average power a sub is capable of delivering over a period of time. Peak power is obviously higher than RMS power. When choosing an underseat subwoofer, pay attention to the RMS power as it is a more realistic representation of the power handling capacity of a subwoofer. For best results, make sure the power rating of the sub is equal to or more than the power the stereo head-unit can supply. 

A sub’s sensitivity is an indication of the amount of output it can produce. A sub with high sensitivity requires less power to put out the same amount of output as a sub with low sensitivity.

Construction of an underseat powered subwoofer :

Most underseat subs have extruded aluminum or ABS plastic enclosures. They have metal grilles to protect against knocks and impact. The circuitry has Overload Protection, Thermal Protection and Short Circuit Protection for trouble-free service. The cones are made of polypropylene or aluminum, and the surrounds are made of rubber. Some subs have single voice coils and some double. For a car subwoofer, a dual-voice-coil sub is better as it is easier to wire. An underseat subwoofer comes with an integrated amplifier to power the woofer driver. A wiring harness and mounting equipment are provided for setting up the system. For connectivity the sub has low-level and high-level inputs. A wired or wireless remote may be added for ease of use while driving. Other functions include low-pass filter, high-pass filter, adjustable input sensitivity and variable bass boost.

Top brands :

Kenwood, Rockford Fosgate, Rockville, Alpine Electronics, JBL, Kicker and JL Audio are some of the top brands selling underseat powered subwoofers.

Know more about powerful sound system for ATVs and outdoor here. You can find Best two wheeler sound system review in this link. To rock your ATV with marine grade speaker and weatherproof speaker tubes, check these links.

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