CONNEX Amplifier Kit Class D CxD500 500W mono + SMPS600RXE 600W - Audiophonics
MTX THUNDER500.1 500 Watt RMS Mono Class D 2-Ohm Car Audio Amplifier+Amp Kit - Rockville Audio
Audio kit: Power Amplifier 250 - 500 Watt with transistors MJ15003
Kit amplificator 2 x 500W
Modul amplificator audio de putere 2 x 500W HiFi
Weiliang Audio A4 Fully Symmetrical Dual Differential High Power Amplifier Board/300w*2/on Semiconductor 0281/0302 Transistor - Home Theater Amplifiers - AliExpress
Hypex Presents New Nilai500 DIY Audio Amplifier Module | audioXpress
Amazon.com: Kicker KEY5001 500w Mono Amplifier w/Bass Revealer Processor Smart Amp 47KEY5001 Bundle with Rockville RWK41 4 Gauge Complete Car Amp Wiring Installation Wire Kit with RCA's : Electronics
BOSS Audio Systems MC900B All Terrain Car Audio Amplifier – 500 High Output, 4 Channel, 2/4 Ohm, Bluetooth Multi-Function Remote, Full Range, Aux-in, RCA Out, USB Charging, Weatherproof