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Home | By Categories | Car Audio / Video | Car Subwoofers | 12" Subwoofers | Pioneer (TS-W308D4) 12" Champion Series Subwoofers with 1400 Watts Max. Power
Pioneer (TS-W308D4) 12" Champion Series Subwoofers with 1400 Watts Max. Power|^
Pioneer (TS-W308D4) 12" Champion Series Subwoofers with 1400 Watts Max. Power
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Installation Manual

Introducing our new Champion Series Subwoofers which feature an all-new design and look.

Both subwoofers have a maximum power output of 1400 watts. You now have a choice to select from either a Dual-Voice Coil 2-ohm or 4-ohm subwoofer:

  • TS-W308D2: Dual-Voice Coil Design 2 ohm x 2
  • TS-W308D4: Dual-Voice Coil Design 4 ohm x 2

For extraordinary performance, the cones are made of Pioneer's IMPP with Aramid Fiber, and we've used a dual mass magnet assembly for higher magnetic force — and more power. The wire terminals are spring-loaded and can take up to 8-gauge wire.

Interlaced Basalt/Carbon Fiber Reinforced IMPP Cone

To ensure that you get more natural bass, we’ve incorporated out new Basalt fiber technology into our shallow subwoofers. The volcanic-rock fibers create a cone that is lightweight, rigid, well damped, stable in temperature extremes, and more environmentally friendly. In short, this bass really rocks.

3-Layer Radial Surround

A sub's surround plays a key role in its overall performance. In order for bass response to be clear and tight, the surround has to respond evenly around its entire circumference without flexing or puckering, even at high volume levels. That's why Pioneer created a surround consisting of two layers of urethane, with a layer of interwoven fiber between them. It's strong, stable, and it reduces distortion.

Dual Mass Magnet with Magnet Cover

It's simple, really. Follow us here: to accurately drive and control its voice coil, a speaker needs a magnet and a pole yoke, to create magnetic force. The bigger or denser the magnet, the greater the magnetic force. The greater the magnetic force, the greater the power and control that's exerted over the voice coil. To make this happen in a big way, we use a Dual Mass Magnet assembly (weighing in at 83oz.) to significantly increase the magnetic force. SO, you get bigger and more accurate music. And yes, we even included a magnet cover.

Spring-Compression Binding Posts

Why do we use Spring-Compression Binding Posts, instead of standard speaker wire terminals? So your speaker wire NEVER shakes loose due to vibration (either from the or from your music). When you insert the wire, the connector keeps a constant pressure on it. And it won't let go. These binding posts will accept wire as large as 8-gauge.

Dual Voice Coil

TS-W308D2/4 provides two voice coils, each either at dual 2 or dual 4 ohms. So you can use a low-impedance amp to produce much bigger, much more powerful bass. More options, more power: that's what DVC is all about.

Add Newly Designed Spoke Grilles

We also recommend covering up your subwoofer with the UD-G308 . This stylish spoke grille is a must add-on when building a system and gives the look of pure professionalism.

  • Interlaced Basalt/Carbon Fiber Reinforced IMPP Cone
  • Integrated Single Sided Silver Binding Posts
  • Recommended Enclosure: 0.85 to 1.75 Cubic Feet


Size 12"

Woofer Cone Material Interlaced Basalt/Carbon Fiber Reinforced IMPP Cone

Woofer Cone Design Cone Reinforcement Arcs

Surround Wide Roll, Three-Layer Fiber Woven Radial

Voice Coil 4-Layer, Long Voice Coil

Voice Coil Wire Copper

Voice Coil Bobbin Phenol Resin Coated Glass Cloth

Damper (Spider) Aramid Fiber

Damper Ring Yes

Top Plate Standard

Projected Pole Yoke with Vented Pole -

Magnet Construction Double Mass High-Power (83oz)

Basket Design Stamped Basket with Magnet Cover

Gasket ABS

Wire Terminals Integrated Single-Sided Silver Compression Terminals


Watts MAX. Music Power 1400 Watts

Watts Nominal Power Handling 400 Watts

Frequency Response 20 ~ 180Hz

Sensitivity D2 (90dB) D4 (92dB)

Ohm Rating D2: (1 or 4 ohm) D4: (2 or 8 ohm)

Recommended Enclosure 0.85 ~ 1.75 Cubic Feet

Dimensions 327 mm x 172 mm

Mounting Depth 153 mm

Accessory Grill UD-G308
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