![Amazon.com: KICKER 46CXA4001T CXA400.1 400 Watt RMS Mono Class D Car Audio Amplifier Amp : Electronics Amazon.com: KICKER 46CXA4001T CXA400.1 400 Watt RMS Mono Class D Car Audio Amplifier Amp : Electronics](https://m.media-amazon.com/images/I/91VE1yOGagL._AC_UF894,1000_QL80_.jpg)
Amazon.com: KICKER 46CXA4001T CXA400.1 400 Watt RMS Mono Class D Car Audio Amplifier Amp : Electronics
![BOSS Audio Systems R1004 Riot Series Car Audio Amplifier - 400 High Output, 4 Channel, 2/8 Ohm, High/Low Level Inputs, Full Range, Hook Up To Stereo and Subwoofer, Class A/B, IC (Integrated Circuit) BOSS Audio Systems R1004 Riot Series Car Audio Amplifier - 400 High Output, 4 Channel, 2/8 Ohm, High/Low Level Inputs, Full Range, Hook Up To Stereo and Subwoofer, Class A/B, IC (Integrated Circuit)](https://bossaudio.com/cdn/shop/products/image9-791489115254_1445x.jpg?v=1680037929)
BOSS Audio Systems R1004 Riot Series Car Audio Amplifier - 400 High Output, 4 Channel, 2/8 Ohm, High/Low Level Inputs, Full Range, Hook Up To Stereo and Subwoofer, Class A/B, IC (Integrated Circuit)
![Amazon.com: Pyle 4 Channel Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen - PFMRA440BB : Electronics Amazon.com: Pyle 4 Channel Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen - PFMRA440BB : Electronics](https://m.media-amazon.com/images/I/61WbMO2bErL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Pyle 4 Channel Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen - PFMRA440BB : Electronics
![12v 400 Watt 2.1channel Car Audio Stereo Amplifier Speaker Power Class A / B Amp - Multi-tone & Claxon Horns - AliExpress 12v 400 Watt 2.1channel Car Audio Stereo Amplifier Speaker Power Class A / B Amp - Multi-tone & Claxon Horns - AliExpress](https://ae01.alicdn.com/kf/S27f25b51e53c473fa6b0298b284b30863/12V-400-Watt-2-1Channel-Car-Audio-Stereo-Amplifier-Speaker-Power-Class-a-B-Amp.jpg)
12v 400 Watt 2.1channel Car Audio Stereo Amplifier Speaker Power Class A / B Amp - Multi-tone & Claxon Horns - AliExpress
![Amazon.com: MTX MUD100.4 Mud Series 400 Watt RMS 4 Channel Class D Compact Weatherproof Outdoor Powersports ATV UTV Motorcycle Sound System Stereo Amplifier Kit : Electronics Amazon.com: MTX MUD100.4 Mud Series 400 Watt RMS 4 Channel Class D Compact Weatherproof Outdoor Powersports ATV UTV Motorcycle Sound System Stereo Amplifier Kit : Electronics](https://m.media-amazon.com/images/I/61LvSgjRS+L.jpg)
Amazon.com: MTX MUD100.4 Mud Series 400 Watt RMS 4 Channel Class D Compact Weatherproof Outdoor Powersports ATV UTV Motorcycle Sound System Stereo Amplifier Kit : Electronics
Mb Quart Marine Powersports Nautic 2 Channel 400 Watt Maximum Power Full Range Class D Amplifier With 6.5 Inch Marine 3 Grills Speaker Pair : Target
![Rockford Fosgate TM400X4ad - Power Marine 400 Watt Class-ad 4-Channel Amplifier - Marine amplifiers - Custom Sounds & Tint Rockford Fosgate TM400X4ad - Power Marine 400 Watt Class-ad 4-Channel Amplifier - Marine amplifiers - Custom Sounds & Tint](https://www.customsounds.com/uploads/products/08ee9a59e007a101b098980e61759d31934402d8.jpg)