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Pioneer TS-W309S4 Champion Series 12" Single 4ohm 1400 Watts

by Pioneer
4.3 out of 5 stars 41 customer reviews

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  • 12-inch, 4-ohm subwoofer with 1400 Watts peak (400 nominal) power handling
  • One-piece, seamless IMPP composite cone design for high power handling and accuracy
  • Dual-layer elastic polymer surround for added durability and lightness
  • Frequency response: 20 Hz to 220 Hz; Sensitivity: 94 dB
  • Available in single- or dual-voice-coil designs
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Technical Details

  • Brand Name: Pioneer
  • Model Number: TS-W309S4
  • Manufacturer Warranty Description: 1 Year Parts and Labor

Product Description

Product Description

Pioneer TS-W309S4 12" Component Subwoofer with IMPP with Kevlar, 3 layer radial surround, dual mass magnet with cover, single 4 ohm voice coils, 1400 watts max power and 400 watts continuous power.

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Built on the strong foundation of Pioneer's high-performance SPL subwoofer, Champion Series subs deliver reliability and power, for producing big, clear, distortion-free sound to hold up against any other subs in their class. The 12-inch TS-W309S4 pumps out 1400 watts of maximum power, with a 4-ohm impedance.

Pioneer TS-W309S4 Subwoofer
Champion Series subs deliver reliability and power, for producing big, clear, distortion-free sound to hold up against any other subs in their class.
Pioneer TS-W309S4 Rear
Available with dual or single 4 ohm designs.
Pioneer TS-W309S4 Measurements
View dimensional diagram. Click here for a larger image
IMPP Composite Seamless Cone

An extremely durable, yet lightweight cone is vital to prevent cone failure at high sound pressure levels. Pioneer's New IMPP Composite Seamless Cones meet this need perfectly while delivering accurate yet powerful bass.

Dual-Layer Elastic Polymer Surround

Another world's first from Pioneer. Dramatically improves durability and lightness for superior response, especially for louder volume.

Large Surface Area

A speaker cone is essential for air to vibrate and carry sound to listeners' ears. Our new Champion Series subwoofer cones have 14% more surface area than conventional subwoofer cones, for louder, better bass reproduction.

Single/Dual Voice Coil Design

Pioneer offers single voice coil (TS-W309S4) and dual voice coil (TS-W309D4) 12-inch designs. The Dual 4 ohm subwoofer has the flexibility to be wired at 2 or 8 ohms, to get the most from the amplifier. To simplify installation even further, all speaker terminals have been placed on one side of the subwoofer rather than on opposite sides.

Air Vent

The movement of air within the subwoofer is smoothly channeled for optimal ventilation to ensure a quick response and clear reproduction of bass.

TS-W309S4 Select Specifications

Subwoofer Size: 12"
Max. Music Power (Nominal) 1,400 W (400 W)
Frequency Response: 20 Hz to 220 Hz
Sensitivity (1 W/1 m): 94 dB
Impedance: 4 ohms x 1
Mounting Depth: 6"
Cut-Out Dimensions: 11-1/8"
Recommended Enclosure: 0.85 to 1.75 cu. ft.

What's in the Box

Pioneer TS-W309S4 Champion Series 12-inch Subwoofer, Installation Hardware, Documentation


Product Information

Technical Details

Item Weight 13.6 pounds
Product Dimensions 14.3 x 14.3 x 7.9 inches
Item model number TS-W309S4
Warranty 1 Year Parts and Labor
Weight 8.6 Pounds

Additional Information

ASIN B004HW6FAQ
Customer Reviews
4.3 out of 5 stars 41 customer reviews

4.3 out of 5 stars
Best Sellers Rank #182 in Electronics > Marine Electronics > Marine Subwoofers
#1,953 in Electronics > Car Electronics > Car Audio > Subwoofers
#14,085 in Sports & Outdoors > Sports & Fitness > Hunting & Fishing > Fishing > Fishing Watercraft & Trolling Motors
Shipping Weight 14.1 pounds
Domestic Shipping Item can be shipped within U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available January 6, 2011

Warranty & Support

Product Warranty: For warranty information about this product, please click here

Customer Reviews

Top Customer Reviews

Verified Purchase
These subs are awesome for the money. I have 2 of them hooked up to a cheap little Boss AR2600.2 which pushes them to their RMS rating and they sound great! Tight clean bass good for all kinds of music, I mainly listen to hiphop and these perform well with deep rolling bass lines. Really a great system if you don't want to spend a ton of money.
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By Nic on January 7, 2013
Verified Purchase
I bought one of these subs and am very happy with it. Good clean bass all day, sealed box 1.25 cu.ft in a 99 GMC Yukon, powered by an Fli Acid 1200 watt mono block amp. People can here me comming and I'm constantly adjusting my rear view hahah. I recommend this sub to anyone looking for beat on a budget.
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By moody on February 18, 2012
Verified Purchase
Bought this 12" sub for my C5 Corvette. Even though I have a small enclosure and the sub faces up; I still produce good quality bass. This sub is great looking too. No crazy designs; just a sleek black look that's easy to clean...
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Verified Purchase
First off I bought these when amazon kept having them on sale for ~$50 Shipped. At $100 don't touch them, there are better options.

I went through 4 of these before I gave up on them. They are great sounding subs as long as you are not trying to actually bump them hard at 400RMS. My system is properly tuned and even with gain turned all the way down to prevent clipping these things still smoked.

Pioneer customer support is a joke. When i called and told them the amp I was using they told me that it wasn't enough wattage to power these subs. That they need 1400 watt RMS and that the "Nominal" wattage means they can't handle anything under 400. That was literally one of the dumbest things I have ever heard. It this point I was fed up and hung up.

I bought some 400 watt RMS JVCs. They are louder and have been working fine for over a year now.
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Verified Purchase
You can't go wrong with Pioneer this company has been around for a long time. I have this sub installed in a single bandpass enclosure and it does just fine running on a small amp, so it's a little under driven. However if you're into that hard core booming with just Bass and tweets with no real sound and prefer to go def I would suggest an amp with a 400 watt RMS output rating. I chose the Five Star rating because of Pioneer's history. This sub is sleek and the only dislike is it is a little big because of the stacked magnets. Overall I would recommend getting this sub or the next model up.
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Verified Purchase
I was kind of skeptical when I bought this sub because of the price it was listed at. I installed it in my 2004 honda accord facing the back of the trunk with the Pyle PLA2200 1,400-Watt amp and this thing bumps. It looks sleek and you can get a lot of power out of it if you have the right set-up. I only have one of these things and it rattles my whole car. It shipped fast and I haven't had any problems in about 8 months of using it. If you're looking for a sub that's reliable and doesn't break the bank I highly recommend checking this guy out.
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i recently purchased a pair of these subs and they have not failed to impress, I am absolutely pleased with how clear the bass sounds when in a ported/vented enclosure. pioneer has been around for years and these subs show exactly why with a great appearance and even greater sound, i would recommend all who enjoy clean deep bass to invest in some of these subs...
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Verified Purchase
Probably isent that as many watts as advertised, but for that price, the build quality is beyond anything else that you could get.
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