Vevor | | 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 500W @ 4 Ohm / 4 x 1000W | Sandblasted Black | Best Buy

$104.90

Cerwin Vega | | Cerwin-Vega SRPM1100.5DW | RPM Series "Stroker-Powered" 5-Channel Amplifier / 100Wx4@4.0, 500W X 1 @ 2.0 Rms / 1100W Rms | Black/Gray | Best Buy

$539.99

Pioneer | | 1-Channel Class D Mono Amplifier | Black | Best Buy

$199.99