Amazon.com : Boss Audio MC900B 500W Max 4 Channel Full Range Class A/B Amplifier (2 Pack) : Electronics
Amazon.com: Infinity M4555A 5-channel marine amplifier 45 watts RMS x 4 at 4 ohms + 500 watts RMS x 1 at 2 ohms : Electronics
Amazon.com: Kenwood Excelon X502-1 X Series Mono subwoofer Amplifier — 500 watts + 4 Gauge Wiring Kit with Sound of Tri-State Car Freshener Bundle (Renewed) : Electronics
Amazon.com: Pyle 500W Karaoke Wireless Bluetooth Amplifier - 4 Channel Stereo Audio Receiver with AUX IN, FM Radio, RCA Subwoofer Speaker OUT, USB, Microphone IN with Echo, 500W Peak Power into 4-8
Amazon.com: QSC GX5 500-Watt Power Amplifier : Musical Instruments
Amazon.com: TC Electronic THRUST BQ500 500 Watt Portable Bass Head with Mosfet Preamp and Thrust Compressor : Musical Instruments
Amazon.com: Aguilar Tone Hammer 500 Super Light 500 Watt Solid State Bass Amplifier Head with Drive Control, FX Loop and Balanced DI Output with Water Resistant Bag and Instrument Cable : Musical Instruments
Amazon.com: Garmin Fusion AM Series Marine Amplifier, 500-watt 4 Channel, A Garmin Brand : Electronics
Amazon.com: Taramp's TL 500 Amplifier 90 Watts RMS at 2 Ohms, 2x 45 Watts RMS, 2 Channels Class D, Car Audio Amp, Stereo, A.R.T System, Automatic Activation, 8 ~ 16 VDC, Black, Small : Electronics
Amazon.com: Stetsom Digital BASS DB 500.1 Mono Car Amplifier 2 Ohms, 500 Watts RMS, 2Ω Stable Car Audio, BASS Sound Quality, Crossover & Bass Boost, Car Stereo Speaker Subwoofer Woofer, Smart Coolers : Electronics
Amazon.com: BOSS Audio Systems ASK904B.64 Marine Boat 6.5 inch Speakers and 4 Channel Amplifier - 500 High Output, Bluetooth Remote, USB and Auxiliary, Waterproof Pouch : Electronics
Amazon.com: Sony XMN502 2/1 Channel 500-Watt Amplifier (Renewed) : Electronics
Amazon.com: Ampeg Portaflex Series PF-500 500-Watt Bass Amplifier Head : Musical Instruments
Amazon.com: Timpano Compact 4 Channel Amplifier Car Audio 500 Watt, 4 x 125 Watts at 2 Ohms, Mini Stereo 12 volts Full Range Class D Amp, Bridgeable Amplifier 4 Channels TPT-500.4 : Electronics
Amazon.com: Pyle Bluetooth Home PA Mixing Amplifier - 500W Home Audio Rack Mount Stereo Power Amplifier Receiver w/FM Radio, Digital LED Display, USB/AUX/Mic, Optical/Coaxial, AC-3, 70V/100V Output - PMX3500PH : Electronics
Amazon.com: Rockford Fosgate R500X1D Prime 1-Channel Class D Amplifier,BLACK : Electronics