Crunch PX1000.4 Power Amplifier (Class Ab, 4 Channels, 1,000 Watts), 3.70in. x 12.60in. x 10.80in.

Amazon.com Price: $64.99 (as of 04/11/2021 02:17 PST- Details)

(Quick Thermal Dispersion) technology heat sink Low-noise preamp
High-level inputs
Low-level RCA inputs & outputs