12" Dual Voice Coil 4 ohm Subwoofer. Resigned spider assembly allows the subwoofer to produce more accurate, rich bass. Pioneer TS-A300D4 Features. Peak: 1500 watts. The TS-A300D4 features a combined IMPP cone, which makes the body ultra-rigid yet lightweight, giving you low distortion and powerful bass at high sound press levels.
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