DR DOUBLE ROCK MX10D4 1200 Watts Max D4 10 inch Subwoofer Car Audio Dual 4 Ohm Car Subwoofers

DR Double Rock DR-1200.1 Amplifier Car Audio 1200 Watt Class D Subwoofer Amplifier Monoblock Highs Amp with Bass Knob Level Remote Control Car Amp 1200W Car Audio Amplifier

DR DOUBLE ROCK MX12D4 1200 Watts Max D4 12 inch subwoofers Dual 4 Ohm Car Subwoofer 4 Ohm Voice Coil for a Powerful Bass

DR Double Rock DR-150.4 4 Channel Amplifier Car Audio 1000 Watt 2 Ohms 4CH Class A/B Full- Range Car Amplifier 2 Bridged Channels RCA Input Power Output Multichannel Amplifier

DR Double Rock DR-2000.1 RMS 2000 Watt Subwoofer Amplifier Class D Monoblock Car Audio Amp with Remote Bass Knob Level Control Amp Subwoofer Amplifier Stable 1 Channel Car Amp Mosfet Power Amplified

DR DOUBLE ROCK MX15D4 1200 Watts Max D4 15 inch subwoofers Dual 4 Ohm Car Subwoofer 4 Ohm Voice Coil for a Powerful Bass