Amazon.com: BOSS Audio Systems BE8AE Elite Series Car Audio Amplifier 8 Inch Subwoofer Package – 400 Watt Sub with Passive Radiator, Built-in Class D Monoblock Amplifier, for Truck Boxes and Enclosures Stereo :
Kicker CXA400.1 - 400W Mono Class D Subwoofer Amp - 46CXA4001T
Mb Quart 400 Watt 10 Inch Subwoofer + Slim Sub Box Enclosure + Car Amp + Wiring : Target
MB210SP Dual 10" Subwoofer Enclosure and Amplifier Party Pack | MTX Audio - Serious About Sound®
One FIERCE8 SUB + R2 AMPLIFIER @ 2Ω | 400 Watts RMS – TORO AUDIO
Amazon.com: KICKER 46CXA4001T CXA400.1 400 Watt RMS Mono Class D Car Audio Amplifier Amp : Electronics
TNP212D2 Dual 12" Subwoofer Enclosure And Amplifier Party Package | MTX Audio - Serious About Sound®
Rockford Fosgate TM400X2ad Power Series 400 Watt (RMS) 2-Channel Marine Amplifier - Rock The Boat Audio
Rockford Fosgate 400-Watt Bass Package Includes R500X1D amplifier, P2D4-12 12" subwoofer, and Sound Ordnance BB12-125S sealed enclosure at Crutchfield