PIONEER TS-W311D4 CHAMPION SERIES 12" SUBWOOFER W/ DUAL 4-OHM VOICE COILS 1400 W | 702MOTORINGLASVEGAS
Pioneer TS-W310D4 Champion Series 12" subwoofer with dual 4-ohm voice coils at Crutchfield
Pioneer TS-W312D4 | Car Entertainment, Subwoofers, Champion Series Subwoofer, Champion Series Red Subwoofer | Pioneer Middle East - Car Stereo, Car Subwoofer, Amplifier
New car subwoofers from Pioneer: enhanced sound quality and power | Automotive World