Quantum QSW12D4.2 12” 2000 Watt Dual 4 Ohm Bulletproof Car Audio Subwoofer/ Sub | Audio Savings
Quantum Audio QPX2000.1M 2000W Max Class-D MonoBlock Car Subwoofer Amplifier Amp w/Remote Bass Control - Walmart.com
QW3000/12D4 - 12" 4 OHM DVC SUBWOOFER
Memphis Audio MJP1222 MOJO Pro Series 12" component subwoofer with dual 2-ohm voice coils at Crutchfield
Quantum QSW12D4.2 12” 2000 Watt Dual 4 Ohm Bulletproof Car Audio Subwoofer/ Sub | Audio Savings
New 10” inch Quantum Audio 1000 Watts Subwoofer + Quantum Audio 1200 Watts Car Audio Bass Amplifier w/ Speaker Box for Sale in San Jacinto, CA - OfferUp
Quantum QSW12D4.2 12” 2000 Watt Dual 4 Ohm Bulletproof Car Audio Subwoofer/ Sub | Audio Savings