Amazon.com: Kicker 46CXA3604T CXA360.4 360w RMS 4-Channel Car Audio Amplifier Class A/B Amp : Electronics
AudioControl D-4.800 D Series 4-channel car amplifier with digital signal processing — 125 watts x 4 at Crutchfield
Car Audio Modified Ab Class Four-Channel Amplifier 4*100W High-Power Car Speaker Amplifier - China Car Stereo Amplifier, Car Amplifier | Made-in-China.com
THUNDER Series 400-Watt RMS 4-Channel Class AB Amplifier | MTX - Serious About Sound®
DS18 EXL-P800X4 – 4 Channels Class A/B Car Amplifier – 400 Watts RMS 4-Ohms Bridged – Made in Korea
ZXI 4-Channel Class D Amplifier 4 X 250 Watts Rms @ 4-Ohm
MAXXSONICS 4 Channel and 2 channel 1000 Watt Amp A/B Class Car Stereo Amplifiers PX-1000.4 + PX-1000.2 - The Home Depot
SK-M4004D | 400 Watt Class D 4-Channel Car Amplifier | Skar Audio
5800W Watt 4 Channel Car Truck Amplifier Stereo Audio Speaker Amp System Device | eBay
5800 Watt 4 Channel 12V Car Amplifier Subwoofer Full-Range Super Brass Stereo Audio Amplifiers Stereo High Power Amp For Car - Walmart.com
Audio Apex CAB-M4 4 Channel Car Amplifier 1000 Watts RMS - Audio APEX store
Amazon.com: Welugnal 4-Channel Car Stereo Audio Speak Delay Signal Hi-Low Converter for Auto Amp Subwoofer Amplifier CD Player High to Low Adapter Line Output Converter : Electronics