Pioneer TS-SWX2502 10 inch Compact Subwoofer – Complete Review

An underseat subwoofer is the best way to kick up the bass output of your car stereo. It makes the music fuller and richer so every note is reproduced as intended. It stays out of the way, mounting discretely under the driver’s seat or in the boot. There are 2 kinds of car subwoofers : active and passive. Active subwoofers have built-in amplifiers and passive subwoofers don’t.

The Pioneer TS-SWX2502 is a leading passive car subwoofer. It is a 10-inch sub with a maximum power output of 1200 watts. It has a space-saving enclosure, and mounts out of view under seats, in the hatch or behind the rear seats in the trunk of the car.

Let us do an in-depth analysis of the sound and design aspects of the Pioneer car subwoofer.

Pioneer TS-SWX2502 – A Compact Subwoofer :

Sound Quality :

The Pioneer TS-SWX2502 is a non-amplified down-firing sub with a peak power handling capacity of 1200 watts and continuous RMS power of 300 watts. It has a 10-inch preloaded woofer driver that generates a ton of bass for a deep low end. It fills in the gaps in the bass and makes the music more balanced. The cone is made from reinforced MICA injection-molded resin. This makes it highly rigid and durable, qualities necessary for accurate bass reproduction. The oversized cone design offers a larger cone and gasket surface without altering the dimensions of the subwoofer. The unique construction of the cone surface allows for greater movement of air for louder bass. The Pioneer sub has dual spiders for controlling the cone motion. It makes the cone stiffer, stabilizes cone excursion and supports the linear movement of the subwoofer for a more precise bass effect. The device works with all genres of music. It has a frequency response of 20 Hz to 125 Hz, sensitivity of 89 dB (1 W/1 m) and impedance of single 4Ω.

Features And Design :

The Pioneer subwoofer is a compact underseat subwoofer with a sealed wooden enclosure. It has a shallow scratchproof slip-free carpeted body. It stays put wherever you place it without skidding. It is 18 5/8 inches wide and 5 7/8 inches high, including the legs. The legs are fabricated into the frame of the subwoofer for greater stability and strength. The device weighs 19.2 lbs. It is suitable for all kinds of vehicles including standard-cabs, extended-cabs and crew-cabs. The TS-SWX2502 is a 4 ohm single voice coil subwoofer. It is pre-mounted in a factory-tuned enclosure. It is just a speaker and does not have a built-in amp. It has to be powered by an external amplifier. There are 2 spring-type speaker terminals for connecting the external amp to the sub. Being a passive subwoofer, it requires more wiring, and the installation may be a little more complicated than that of a powered sub. The package contains the powered subwoofer, 2 heavy-duty metal mounting brackets, an owner’s manual, a warranty card and a handful of screws.

Key Features :

  • Passive down-firing underseat subwoofer with 10-inch woofer.
  • Shallow-mount pre-loaded sealed wooden enclosure, reinforced MICA injection-molded resin cone.
  • 4 ohm single voice coil sub, max power handling 1200 watts, RMS power 300 watts.
  • Carpeted scratchproof body, frequency response 20 Hz to 125 Hz, sensitivity 89 dB (1 W/1 m).


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