Pioneer TS-W304F

12" 4-ohm Free-air Subwoofer

  • Pioneer TS-W304F


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Item #: 130TSW304F
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Our take on the Pioneer TS-W304F


What's a component sub and why would I want one?

A component sub is simply a speaker that's designed to reproduce bass once it's installed in a compatible enclosure. Think about the impact of a movie soundtrack in a big theater or even in your own home HDTV setup. A component sub can add the same kind of power to the music in your car. And a car sub is not all about the boom that you hear on a street corner (although that's cool too) - you can pair a component sub with your choice of enclosure to get bass just the way you like it, from tight and punchy to fat and loose. And once you experience music in your car with a well-tuned subwoofer, you'll never go back.

Save space and still get great bass with the TS-W304F from Pioneer. This 12" subwoofer is designed for use in free-air applications, so you can mount it in your trunk or other area and not lose any cargo space to a heavy enclosure.

It has a foamed IMPP woofer with ferrite magnet to bring out the best in your low notes. Pioneer's Voice Coil Cooling System limits built-up heat that can cause distortion and break-up. A dual layer urethane surround is resistant to inclement weather and unfavorable road conditions.

  • foamed IMPP composite cone with urethane surround
  • frequency response 18-2,000 Hz
  • power range 50-300 watts RMS
  • peak power 600 watts
  • sensitivity 90 dB
  • 4-ohm impedance
  • recommended airspace 5.3 cubic feet
  • Recommended Q-Logic Box Type: none
  • 1-year warranty
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Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Size 12 -inch
Impedance 4 ohms
Cone Material Foamed IMPP Rigilite
Surround Material Dual-layer urethane
Ideal Sealed Box Volume (cubic feet) N/A
Ideal Ported Box Volume (cubic feet) N/A
Port diameter (inches) N/A
Port length (inches) N/A
Free-Air Yes
Dual Voice Coil No
Sensitivity 94 dB at 1 watt
Frequency Response 20 - 2000 Hz
RMS Power Range (Watts) 50-300
Peak Power Handling (Watts) 600
Top Mount Depth (inches) 5 9/16
Bottom Mount Depth (inches) 6 3/16
Cutout Diameter or Length (inches) 10 7/8
Vas (liters) 86.7
Fs (Hz) 32.3
Qts 0.541
Xmax (millimeters) 11.2
Parts Warranty 1 YEAR
Labor Warranty 1 YEAR
Product Research
What's in the box?

Download owner's manual

  • One 12" woofer
  • 1 Strip of self-adhesive foam
  • 8 Self-tapping screws
  • Instruction Manual
  • Warranty sheet

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.


Free-air Design: This subwoofer is not designed to be mounted in an enclosure. A free-air subwoofer is designed to be mounted on a baffle board which separates two areas of the vehicle. For instance, you could mount this woofer to a board attached to the rear deck or placed in the trunk against the rear seat. The trunk acts as the enclosure housing the subwoofer. Free-air subwoofers save space and have flat frequency response.

Woofer: The TS-W304F has a Foamed IMPP (Injection Molded Polypropylene) Rigilite composite cone woofer. This process of cone molding assures a uniform cone thickness for superior linearity and clarity. The cone is lightweight and rigid for low distortion and superior bass response.

Dual-Layer Urethane Surround: The dual-layer urethane surround has very high internal loss, which reduces speaker cone distortion.

Voice Coil Cooling System: The Voice Coil Cooling System reduces voice coil heat, allowing for stable bass reproduction and reinforced power handling capability.

Long Voice Coil Design: The long voice coil design allows expanded piston motion for better linearity and improved power handling.

Extended Pole Yoke: The extended pole yoke extends the magnetic field, greatly improving linearity during large woofer excursions at high input levels.

Vented Pole Yoke: The vented pole yoke allows air circulation in the magnetic circuitry to ensure better heat dissipation.

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For a more in-depth review and enhanced detailed information on the Pioneer TS-W304F, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_130TSW304F/Pioneer-TS-W304F.html ).