Hifonics ZD-1750.5D 1750 Watt 5-Channel Car Stereo Amplifier Class-D Amp

Heat Sink: Aluminum: Modern Design Hifonics Heat sink for Superior Heat Dissipation. Amp Max Power (watts): 1750. LED System Protection Circuitry Diagnostics: Monitor overload and speaker short protection with illuminated indicators on the amplifier end panel.

eBay