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The Pioneer TS-W312D4 is a 12-inch car subwoofer from Pioneer's Champion Series, built around a dual 4-ohm voice coil, a 90 oz double-stacked magnet and a rigid IMPP honeycomb cone. Pioneer rates it at 500 W nominal and 1,600 W max, so it wants a real amplifier rather than head unit power. The dual 4-ohm coils wire to 2 ohms or 8 ohms, which gives flexibility when matching a mono amp. It suits bass-focused builds in sealed or ported boxes; against pricier subs it trades some refinement for output and durability, and owners rate it highly.
In stockSold by D-C-OReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Owners rate it 4.8 out of 5 and describe strong, clean bass for the money. Most praise the output and build; a few note it needs a proper amp and a solid box to sound its best.
The Pioneer TS-W312D4 is a 12-inch subwoofer from the Champion Series. It has a dual 4 ohm voice coil and is rated at 500 watts nominal. It has an enclosed basket structure.
The cone is a seamless composite design with a honeycomb pattern. It is lightweight and highly rigid, and a large rigid center cap adds to that rigidity. The dual-layer surround combines elastic polymer and fiber. It is lighter and more durable than traditional rubber surrounds.
The motor uses a double stacked 90 oz magnet, which is 26% bigger than the magnet in the previous model. The long voice coil has four layers of copper on an aluminum former to help disperse heat. The suspension is built to withstand high input power. The subwoofer can be installed in a box or in a free-air application.
