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Pioneer TS-W308D4

12" Dual 4 ohm Champion Series Subwoofer

Discontinued
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Pioneer TS-W309D4

OUR PRICE: $79.99

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  • 12" Dual 4 ohm Champion Series Subwoofer
  • Power Handling:
    • Peak: 1400 watts
    • RMS: 400 watts
  • Impedance: Dual 4 ohm
  • Injection molded polypropylene (IMPP) cone woofer
  • Wide triple layer radial sound
  • Single-sided spring compression terminals
  • Dual voice coil
  • Dual mass magnet with magnet cover
  • Frequency response: 20-180 Hz
  • Sensitivity: 91 dB
  • 1-year SonicElectronix.com warranty

Product History:

Pioneer TS-W311D4 thumbnail
(newest, current model)
Pioneer TS-W310D4 thumbnail
(previous model, replaced by Pioneer TS-W311D4)
Pioneer TS-W309D4 thumbnail
(previous model, replaced by Pioneer TS-W310D4)
Pioneer TS-W308D4 thumbnail
(previous model, replaced by Pioneer TS-W309D4)
Pioneer TS-W307D4 thumbnail
(previous model, replaced by Pioneer TS-W308D4)
Pioneer TS-W306DVC thumbnail
(previous model, replaced by Pioneer TS-W307D4)
Pioneer TS-W305DVC thumbnail
(previous model, replaced by Pioneer TS-W306DVC)
Pioneer TS-W304DVC thumbnail
(previous model, replaced by Pioneer TS-W305DVC 12" DVC)

Subwoofer Specifications

Subwoofer Series
Each subwoofer manufactured is part of a series. This is the name of the subwoofer's series.
Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
12"
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
1400 watts
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
400 watts
Voice Coil(s)
Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.
Dual
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
4 ohms
Voice Coil Diameter
Diameter of voice coil, usually measured in inches.
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
20 - 180 Hz
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
 
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
91 dB
Subwoofer Design
This is the design of the subwoofer or the opening of the subwoofer enclosure. Each design has it's own benefits, whether it is a square, circle, or oval.

Round/Circle: This is the typical and common subwoofer design. They have a round cone and are a circle in design.

Square: These woofers are able to achieve a greater cone area in a smaller space. Because of the greater surface area, some square subwoofers will be louder than a round subwoofer of the same size.

Round / Circle
Main Cone Color
This is the color of the speaker's or subwoofer's cone.
Black
Woofer Composition
Lightweight woofer cone materials are essential for efficient operation. Poly cones produce exceptional sound and are sturdy against various changes in temperature. Paper cones are very efficient, and when treated for moisture resistance, will perform at a high level. Poly refers to polypropylene, which is thermoplastic or fibers that are polymers of propylene. IMPP refers to injection molded polypropylene, a commonly used process and material in speakers.
Injection Molded Polypropylene (IMPP)
Magnet Structure
Defines the overall structure of the subwoofers magnet.
Subwoofer Grille
Most subwoofers are able to accommodate a universal grille; however, some subs include a grille and others have a specific, optional grille available for purchase separately. If "yes", then the subwoofer includes a grille. If "optional (sold separately)" the matching grille will need to be purchased in addition to the sub.
Optional (Accessory required and sold separately)
Re-Cone Kit Available
Some higher end subwoofers have replaceable cone assemblies. In case of a blown woofer, a recone kit allows for a simple replacement, as opposed to purchasing an entire new subwoofer.
No

Recommended Enclosure Specifications

Recommended Enclosure Type
This is the recommended type of enclosure that the subwoofer should be installed into. Some subwoofers are specially designed for particular enclosures.

Sealed: These enclosures completely enclose the air inside the box. These boxes produce a tight bass.

Ported/Vented: These enclosures have a slot of air to escape from the box. The result is a sound that has more "boom".

Bandpass: These are a combination of both sealed and ported enclosures. They can be very efficient, but require tuning for the best response.

Ported / Vented
Sealed
Minimum Sealed Box Volume
This value indicates the minimum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
.85 cubic feet
Optimum Sealed Box Volume
This value indicates the ideal sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Maximum Sealed Box Volume
This value indicates the maximum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
1.75 cubic feet
Minimum Ported Box Volume
This value indicates the minimum ported box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
1.25 cubic feet
Optimum Ported Box Volume
This value indicates the ideal ported box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Maximum Ported Box Volume
This value indicates the maximum ported box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
2.05 cubic feet
Top-Mount Depth
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
6"
Cutout Diameter
The actual diameter of the hole you will need to cut out if you are creating a new mounting location for this speaker, or if you are mounting a subwoofer in a box.
11"
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.

No

Electromechanical Parameters

Free-Air Resonance (Fs)
The free-air resonance frequency of the subwoofer, measured in Hz. At this frequency the weight of the moving parts is perfectly balanced with the subwoofers suspension system.
Equivalent Compliance (Vas)
This is the amount of air that has the same stiffness as the subwoofers suspension. The greater the rating, the lower the stiffness and larger recommended enclosure. It is measured in Liters.
Total Speaker Q Value (Qts)
This is the subwoofers relative damping (Q) at the resonance frequency (Fs), including all dimensionless losses. Essentially, a high Qts value (closer to 1.0) means the subwoofer is great for sealed enclosures and a low Qts value (closer to 0) means the woofer is great in vented enclosures. A Qts of around 0.45 means the woofer will work decently in either enclosure type.
Electrical Q Value (Qes)
The subwoofers relative damping (Q) at the resonance frequency (Fs), including electrical losses. Also called the mechanical damping of the subwoofer. The unitless measurement usually varies from 0.5 10.
Electrical Resistance of Voice Coil (Re)
Amount of DC resistance of the subwoofer when measured with an ohm meter. Typically, this will read less than the impedance rating of the subwoofer.
Mechanical Q Value (Qms)
This is the subwoofers relative damping (Q) at the resonance frequency (Fs), including mechanical losses. Also called the mechanical damping of the subwoofer. This unitless measurement usually varies from 0.5 10.
Efficiency Bandwidth Product (EBP)
This number represents the trade off between having an efficient woofer and one with a wide bandwidth. To calculate this number, take the Fs and divide it by the Qes. If the number is below 50, the woofer is designed for a sealed enclosure only. If it's between 50-100 it can be used in either. Lastly, if it's greater than 100 it's designed for vented enclosures.

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
73%
4 Star
18%
3 Star
3%
2 Star
3%
1 Star
3%

Average Attribution Rating

Durability
4.5
Value
4.7
Features
4.5
Design
4.5
Usability
4.7
Leo

El Centro, CA

Overall
Durability
Value
Features
Design
Usability
Great buy!

December 7, 2010

These two subwoofers are working great, great product at a great price would recommend them and I would buy them again.

5 of 6 found this helpful

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donald

knox tn

Overall
Durability
Value
Features
Design
Usability
great subs

May 23, 2011

I have 2 of theys in a Sony ported box and thay hit hit head with a small sony amp I wound buy them again in a heartbeat

3 of 5 found this helpful

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d hess

san jose california

Overall
Durability
Value
Features
Design
Usability
slappin

January 27, 2011

These speakers hit I have 3 of them in a 86 trans am running off a 1000 watt alpine bass so loud i turned down the amp.would by again

3 of 5 found this helpful

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entice78

gunnison, ut

Overall
Durability
Value
Features
Design
Usability
great speakers

October 3, 2010

I have two of these in my Jeep Cherokee. they have a lot of bass and can be tuned to be more like normal, but i prefer the bass. If I had the other speakers to go with them it would sound great. I've got stocks but need tweets and mids. I have older pioneer deck and older Jensen 460 amp, I built a custom box as per the spec sheet. I could probably get more out of them but over the years I have learned not to turn my gain up and save from fixing my amps.

3 of 5 found this helpful

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Joseph

Madison, AL

Overall
Durability
Value
Features
Design
Usability
Tower Power

June 24, 2010

Very efficient and outstanding. Makes your trunk flex with waves from water.

2 of 3 found this helpful

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Ryan

South Africa

Overall
Durability
Value
Features
Design
Usability
Awesome Sub

June 18, 2010

Sound systems are supposed to be connected properly, under powering is not going to give you results, take into consideration your box quality, the type of materials used and if it is sealed properly. The frequency of the box needs to be measured and your amp needs to tune to the box frequency. wiring is another factor to look at, you cant be toying with 8 gauge power cables and normal speaker cables. This is an awesome sub, i tried sealed and then ported, the ported sounds way better (make sure to use the right size of port). Instructions and dimensions come with the package.

3 of 5 found this helpful

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Chris

Whigham, GA

Overall
Durability
Value
Features
Design
Usability
not recommended

May 4, 2010

Used to be a big believer in Pioneer. I bought 2 of these subs about 1 1/2 months ago and haven't really drove them hard. The voice coils shorted on each of these within 2 weeks of each other. I've used their single voice coil subs for years without any problems but the DVC's aren't built to last.

2 of 3 found this helpful

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Gilberto

Antioch, CA

Overall
Durability
Value
Features
Design
Usability
Great Price, Awesome Power

March 17, 2010

I have two of these subs in a custom sealed box under the rear seats of my silverado with about .8 cubic feet for each sub and they hit super hard!

3 of 5 found this helpful

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firefighter

waterville, maine

Overall
Durability
Value
Features
Design
Usability
The best ever

June 5, 2011

I have two of them in my 99 Grand AM with a 1800 watt Hitron and they hit so hard this is the best I have ever had

3 of 6 found this helpful

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Tracie

Frankfort, IL

Overall
Durability
Value
Features
Design
Usability
Packs a punch for a low price

May 6, 2011

I have 2 of these subs in a ported box wired to 1 ohm getting 600 watts each. all i can say is holy s***. Goin strong with no issues for 4 monthes now. Its tremendously loud for the price. My system beats out my friends that have more expensive subs than me. On a budget or not, i highly recommend this sub.

3 of 6 found this helpful

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d grand

racine wi

Overall
Durability
Value
Features
Design
Usability
if u knew

March 3, 2011

I have 4 of them in a sealed box being pushed by a 4000 watt mono Quantum Audio amp in my 1994 Chevy Blazer fullsize and they quake out loud everybody thought I had 6 12s or 4 15s littery when I ride pass cars on the road I can see their windsheild wippers slapping around and the loudest I ever played my radio to 22 and it goes to 83 at 30 cant even smoke a sig in it real stuff at 40 my girlfriend hair looks like she been shocked by lighting.

2 of 4 found this helpful

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gillis

larose, LA

Overall
Durability
Value
Features
Design
Usability
Works well in ported or sealed boxes

February 20, 2011

I have my own stereo buisness and use these speakers for many installs. They perform well in ported or sealed boxes. I push them with the Power Acoustik 2000 watt class d amps and have never had one fail. Great bang for the buck. You can remove the magnet gaurd and lesson the mounting depth by 3/4 of an inch.

2 of 4 found this helpful

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Scott

Sacramento, CA

Overall
Durability
Value
Features
Design
Usability
Pulled over first night!

February 14, 2011

Bought these from a friend in a dual 1.5cbft ported box for $60 thinking it would last me till i bought better subs... but after i plugged these things into a kenwood 1000watt amp bridged at 4ohms pushing 500rms to both i think ill keep these and get a new amp!!. about 5 hours after i installed em got pulled over for noise disturbance and it was at volume 10!!

3 of 6 found this helpful

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Slick

Miami, FL

Overall
Durability
Value
Features
Design
Usability
Only subs I wanna talk about.

January 22, 2011

This Subwoofer is great for its price; ordered it for my little brother as a single 12", its his first sub and he loves it. I've personally owned "STRICTLY" pioneer subs since I started my hobby. I've heard everything: Rockford, Kicker, MTX, Memphis, FI BTL's, JL Audio, Orion, Infinity and literally: nothing compares. This equipment is very sophisticated and deserves an amplifier that will serve it justice. So long as you know your basics: Box Volume, Power needs, and crossover values you'll be pleased. The only subwoofer meant to last and sound deadly accurate is Pioneer. Dont be fooled by the price, Sonic Electronix is as good a bargain as you can find.

3 of 6 found this helpful

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eric

columbus ohio

Overall
Durability
Value
Features
Design
Usability
awesome subs for the price

December 23, 2010

I recently picked a pair of these Pioneers up for the wifes Xmas gift..
Car is a 2001 sunfire (coupe)..
Subs are in a custom built ported box i made..3.5 cubes net tuned at 34 hertz with 14" of port per cubic foot..
Amp is a audiopipe mini 1000d running at 1ohm.. amp pushes a solid 790 watts rms..(according to my clamp meter)..impedance rise to 1.3 ohms..
She has a shuriken bt35 under the hood and a 1 farad cap..voltage never goes below 13.3 volts..

in short these subs in the proper box can be down right nasty...absolutely love the way they sound,,
if you buy these do a proper box and power and u will be amazed at the quality sound..

2 of 4 found this helpful

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BIg S

Salinas, CA

Overall
Durability
Value
Features
Design
Usability
GOOD CLean Bass

June 13, 2010

Good Clean bass ! Used one of these in my truck with a ported box. Had hooked up to an mtx TA8502 Thunder 8502 at 1 ohm sub got 375 RMS

2 of 4 found this helpful

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JRO

gj co

Overall
Durability
Value
Features
Design
Usability
No

May 14, 2010

i got one of these and im not impressed. it running off a 1 channel 275RMS amp. I would've expected this amp to not be able to push these enough but i have to turn the gain down like half way. it can't even handle 275RMS?! if i turn it up to much the woofer seizes. and it's even in a sealed box.

just invest like 30 more dollars and you can get something way better then these. i really regret buying it.

***Note from Sonic: When underpowering by 70% we recommend a ported enclosure. Sealed enclosures should be powered 100%+

2 of 4 found this helpful

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calvin

Miami ,Fl

Overall
Durability
Value
Features
Design
Usability
str8 bass

April 14, 2010

These subs are great I have 4 on a 3000 power acoustik, let me tell you after hooking them up and playing them I had a bad head ache. I dont even have the amp turned all the way up its not even half way.

2 of 4 found this helpful

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Boog

Oklahoma City, OK

Overall
Durability
Value
Features
Design
Usability
SUCKS

March 21, 2010

I had these speakers for about 2 weeks and they blew. I had them hooked up to a hifonics 1210d and the amp wasn't even all the way up. These cannot handle what they say they can. But if your just lookin for something to just ride to......... Go head and get em.

2 of 4 found this helpful

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duston

wisconsin

Overall
Durability
Value
Features
Design
Usability
BAD A** SUB...NO PROBLEMS

February 23, 2010

there a great buy. i had four subs b4 i bought this one and everyone of them blew within the first two weeks. this one iv had for the last six months and its still in pristine shape. if your looking for a good sub this is the one to go with.

1 of 2 found this helpful

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Accessory Tools and Products

Accessories added

Single 12" Subwoofer Angled Truck or Hatchback Box Enclosure

CARB Compliant, 5/8" MDF Shallow Sub Enclosure Lined with Polyfil.

Your Price $29.99

25 ft. of Streetwires 12 Gauge Speaker Cable

You'll need speaker wire to hook up that new subwoofer!

Your Price $44.95

Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

Your Price $9.99

20 Square Feet of Sound Dampening Material

NVX Sound dampening is thicker than competitors, eliminates rattles and gives you bigger bass!

Your Price $59.99

Dynamat Sound Dampening Trunk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

Your Price $94.95

Stinger Sound Dampening Trunk Kit

Stinger's Roadkill sound dampening series is sure to kill unwanted road noise and rattles! Enough sound dampening for your whole trunk!

Your Price $69.99

12 oz. Can of Adhesive Spray

Spray adhesive used for adhering carpet to subwoofer boxes without bubbles.

Your Price $6.99

40" x 15 Ft Piece of Premium Un-Backed Automotive Trim Carpet

Durable design for long life-span, available in many colors and shades.

Your Price $39.99

Gold Plated Dual Terminal Banana Plug Connector

Enables an expandable, secure connection accepting up to 8 gauge wire.

Your Price $1.99

2" Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

Universal rubber roller to make it easy to install sound dampening.

Your Price $7.99

Xscorpion 9-Piece Nylon Plastic Pry and Chisel Tool Set

Easily removes dash/trims, door clips, panels and pins, rubber grommets and vehicle emblems.

Your Price $14.99

Cordless Multi-Functional Heat Tool Soldering Iron Kit

Continuous working lock allows you to work without holding down trigger.

Your Price $79.99

4 Ft of 1/4" Thick Black Heat Shrink Tubing

Provides abrasion resistance and added protection for your cables.

Your Price $3.99

1mm All Purpose Solder

Solder is all purpose for use on most projects where solder is needed.

Your Price $8.99

Universal 12" Subwoofer Grille

Keep your subwoofer safe from accidental damages with this amazing grill.

Your Price $19.95

12" Protective Waffle Subwoofer Grille

Keep your subwoofer looking amazing while keeping it safe.

Your Price $4.99

Scosche SPL Meter

Monitor the noise level of your new car audio system with this SPL meter measuring from 60-135 dB.

Your Price $21.99

1 Pioneer TS-W308D4 Subwoofer

Mono Amp

2 Channel Amp - Bridged

2 Pioneer TS-W308D4 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

3 Pioneer TS-W308D4 Subwoofers

Mono Amp

4 Channel Amp

4 Pioneer TS-W308D4 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

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Product Summary

Manufacturer

Model Number

TS-W308D4

UPC

012562940823

Weight

13.50lbs

Internal SKU

tsw308d4

Internal Product ID

16493

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Pioneer TS-W308D4