Pioneer TS-A3000LS4 - 12" - 1500w Max power, Single 4-Ohm Voice Coil - Shallow Mount Subwoofer - Creative Audio
PIONEER TS-A300D4 12" SUB 1500W CAR AUDIO DUAL 4-OHM SUBWOOFER BASS SPEAKER NEW 884938404716 | eBay
Pioneer subwoofer tube – Koocoast Fusion
Pioneer A Series Speakers
Amazon.com: Pioneer TS-A300D4 12 Inch 1500 Watts Max Power Dual 4-Ohm Voice Coil A Series Car Audio Stereo Subwoofer Loudspeakers / Free Alphasonik Earbuds : Electronics