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Pioneer TS-W309D4 Champion Series 12-Inch Dual 4-Ohm 1,400-Watt Subwoofer

4.2 out of 5 stars 61 customer reviews
| 11 answered questions

Price: $77.49 & FREE Shipping
In stock.
Usually ships within 4 to 5 days.
Ships from and sold by MeagaDeal.

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  • 12-inch dual 4 ohm voice coil 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
  • Dual 4 ohm sub can be wired at 2 or 8 ohms, with all terminals on one side for convenience
  • Frequency response: 20 Hz to 220 Hz; Sensitivity: 94 dB
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$77.49 & FREE Shipping In stock. Usually ships within 4 to 5 days. Ships from and sold by MeagaDeal.

Frequently Bought Together

  • Pioneer TS-W309D4 Champion Series 12-Inch Dual 4-Ohm 1,400-Watt Subwoofer
  • +
  • Boss Audio KIT2 8 Gauge Amplifier Installation Kit with High Performance RCA Interconnect and Speaker Wire
  • +
  • BOSS AUDIO R1100M Riot 1100-Watt Monoblock, Class A/B 2 to 8 Ohm Stable Monoblock Amplifier with Remote Subwoofer Level Control
Total price: $139.25
Buy the selected items together

Product Description

Product Description

Pioneer TS-W309D4 12" Component Subwoofer with IMPP with Kevlar, 3 layer radial surround, dual mass magnet with cover, dual 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-W309D4 pumps out 1400 watts of maximum power, and boasts a dual 4-ohm voice coil, for wiring up with a 2- or 8-ohm impedance.

Pioneer TS-W309D4 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-W309D4 Rear
Dual 4 ohm voice coil with all terminals on the same side for convenience.
Pioneer TS-W309D4 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-W309D4 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 2
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-W309D4 Champion Series 12-inch Subwoofer, Installation Hardware, Documentation


Product Information

Technical Details

Item Weight 13.7 pounds
Product Dimensions 14.3 x 14.3 x 7.9 inches
Item model number TS-W309D4
Discontinued by manufacturer Yes
Warranty 1 Year Parts and Labor
Weight 8.6 Pounds

Additional Information

ASIN B004HW6FAG
Customer Reviews
4.2 out of 5 stars 61 customer reviews

4.2 out of 5 stars
Best Sellers Rank #134 in Electronics > Marine Electronics > Marine Subwoofers
#1,355 in Electronics > Car Electronics > Car Audio > Subwoofers
#17,623 in Sports & Outdoors > Sports & Fitness > Hunting & Fishing > Fishing > Fishing Watercraft & Trolling Motors
Shipping Weight 14.1 pounds (View shipping rates and policies)
Date First Available January 6, 2011

Warranty & Support

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

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I needed something to give me a little more bump in the trunk so I decided to come on Amazon to see what I could get for less than $50 that would help me fulfill my goal. That is when I came across a smoking deal on one of these Pioneer TS-W309D4 sub woofers (for less than $40 even). I've had Pioneer subs in the past and had pretty good luck with them, so I didn't think twice before I jumped on this one. After I ordered I found out that this isn't your cheapy Wally world cheapy Pioneer sub, this is actually the middle of the road that usually retails for twice the price of those. I could barely contain my excitement waiting for UPS to bring it to my door. I have it in an Atrend E12S B-Box sealed enclosure, filled with poly fill, and for an amp I am running Boss Audio R1100M Amp running 2-ohms and I just can't get over how amazing it sounds, more than I ever expected from a cheap Sub/Box/Amp. If I could give more stars I would.
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By kidd on June 27, 2012
i got 2 of these in a ported box on an 4000 watt class D 1 ohm planet audio these subs shake everything in my car best buy ever!
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Verified Purchase
I would like to say that i am surprised, but i really was not. pioneer always made a good product and i am very impressed by the power handling capacity of this sub...and the price dousnt hurt either lol
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Verified Purchase
I purchased two of these and had them professionally installed. I wanted some subs to complement the sound inside the car. The way that I designed the sound it sounds so amazing inside where it matters most when driving compared to outside the car but I still get allot of complements on the subs.

If you can afford it with the right amp, I recommend these. and don't forget to get the right enclosure. The size of the box will make a big difference in the sound produced.
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By Rob on May 18, 2014
Verified Purchase
I'm driving this with a 500 watt RMS amp and it is more than enough for my Mazda 3's trunk. Be aware though that this is only really good for very low frequencies (up to 200hz) whereas some subs go up a bit higher. But why buy a sub for anything but very low frequencies?
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Verified Purchase
I was pleseantly surprised with how well these perform! I installed two of these with a Hifonics Brutus BRZ1200.1D and it sounds AMAZING. Added so much bass and I only have the amp turned a quarter up. These hit the whole range and can take a pounding. Buy with confidence.
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Verified Purchase
i bought this to pair up with the kicker DX 500.1 (500W@2ohms) that i just got to replace a cheap roadgear amp and radioshack optimus pro series sub speaker. that amp sounded good with the old speaker. this new one sounds GREAT! I don't like boomy bass, i like very sharp, chest thumping bass. I have it installed in a 1.25cu ft well sealed enclosure stuffed with a big bag of polyfill. i set the gain control with a voltmeter, and have amp's the remote volume control all the way up with the bass boot all the way up too. i've had friends with plenty of other setups, some professionally tuned, but none of them ever sounded as good, it enhances the premium factory alpine sound system in my '13 dodge charger (which sounded great, and had awesome bass for a factory system to begin with) without muddying it at all. if i put the seat down, the bass is way too loud...it shakes my rearview and sideview mirrors. the price on amazon was also 1/3 that of the local blue and yellow brick and mortar store. I went on the heavy side of wiring for this speaker (4ga power to amp, 8ga to speaker with 12 gauge solid core to bridge the two coils in parallel to get a 2ohm impedance). with the sensitivity rating on this speaker, and power handling in the realm of practicality, and the quality of sound it puts out, i would be hard pressed to put anything else in my car.
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I bought two of these subs for about 110$ and they are sooo worth it. I'm using a pyle 3000 watt amp brigged at 2ohms and they are doing work! The clarity of these subs is great. Do not waste your time anywhere else! I would 100% recomend a ported box.
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