Mini Hi-Fi 500W 2 Channel Stereo Audio Amplifier for Car Auto Motorcycle New: Amazon.com: Industrial & Scientific
Linear Amp Gemini 2-500 - 144MHz 500W Solid State Linear Amplifier - The DX Shop Limited
Yamaha PX5 PX Series power amplifier — 500W x 2 at 8 ohms, 1,400W x 1 at 4 ohm bridged at Crutchfield
QSC GX5 2-Channel 500W Power Amplifier - Sound Productions
Amazon.com: Pyle 500W Karaoke Wireless Bluetooth Amplifier - 4 Channel Stereo Audio Home Theater Speaker Sound Power Receiver with AUX IN, FM, RCA Subwoofer Speakers OUT, USB, Microphone IN with Echo -
Amazon.com: Pyle Wireless Bluetooth Public Address Amplifier - 500W Compact Mini Digital Home Power Audio Sound PA Receiver System w/ 70V 100V Output, Mic Input, Radio, USB, Remote For 4-16ohm Speaker -PMSA126BU :