Amazon.com: Pyle Home Marine Car Amplifier - 4-Channel Compact 400 Watt RMS 4 OHM Full Range Monoblock Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker w/ LCD Digital Screen (PFMRA450BW) : Electronics
FA2-400.4 Formula 400 Watt Amplifier | MB Quart
Amazon.com: ATOTO CA-AEC01 Car Amplifier, 4 Channel, 400 Watts Max Power, 2/4 Ohm Stable, Class A/B, Only Compatible with Selected ATOTO Car Stereos : Electronics
Sound Storm Laboratories EV400.4 400W 4 Channel Car Power Amplifier Amp Mosfet SSL with RCA, Black - Walmart.com
SOUND STORM LABORATORIES 400-Watt 4-Channel Car Power Amplifier Amp Mosfet SSL, Black (2-Pack) 2 x EV400.4 - The Home Depot
Amazon.com: Kicker 46CXA4001T CXA400.1 400 Watt RMS Mono Class D Car Audio Amplifier Amp : Electronics
12V 400 Watt 2.1Channel Car Audio Stereo Amplifier Speaker Power Class A / B Amp | eBay