Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier

Amazon.com Price: $149.99 (as of 01/20/2021 08:50 PST- Details)

Make sure this fitsby entering your model number.
500-Watt MOSFET 4-Channel Class A/B Power Car Amplifier
RMS Power at 2 Ohms: 125 Watts x 4 Channels