Amazon.com: Recoil RED1200-1 2500 Watts Class-D Car Audio Mono-Block Subwoofer Amplifier, 1 Ohm Stable, Remote Bass Knob Included : Electronics
Amazon.com: KICKER CX400.1 400 Watt Class D Mono Amplifier for Car Audio Speakers, Black : Electronics
Amazon.com: BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo :
Denon AVR-X4700H 9.2 Channel High Power 8K A/V Receiver with 3D Audio — Safe and Sound HQ
Amazon.com: S.M.S.L SA300 HiFi Digital Amplifier, Infineon's MA12070 Chip Class D Power Amp, RCA USB Bluetooth 5.0 APTX Input, Multiple EQ Modes with Remote Control (Black) : Everything Else
Amazon.com: DollaTek TDA7498E 2x160W Dual Channel Audio Amplifier Board, Support BTL Mode 1X220W Single Channel, DC 24V Digital Stereo Power Amp Module for Car Vehicle Computer Speaker DIY : Electronics