Audison SR 4.500 Car Amplifiers sku-15646755050 Class D

The Audison SR 4.500, sku-15646755050, is a compact 4-channel Class D unit in Car Amplifiers, designed for multi-channel systems. Output is 130W RMS x 4 at 4 ohms, 220W RMS x 4 at 2 ohms, or 450 watts RMS x 2 bridged at 4 ohms. Its CEA-2006 rating is 125 watts RMS x 4 at 4 ohms, measured at 1% THD+N and 14.4 V. Frequency response is 10–35K Hz.

Variable high- and low-pass filters run from 50–3200 Hz with a 12 dB/octave slope. Bass boost on the B channels is adjustable from 0–12 dB at 50 Hz, and an optional VCR S2 wired remote can control B-channel subwoofer volume. It has preamp inputs and outputs, plus speaker-level inputs accepting up to 20 volts (approximately 100 watts).

Speaker-level wiring supports automatic turn-on, though the required wiring or hardware is not included. Installation calls for 4-gauge power and ground leads. Fuse protection is 25A x 2. The amplifier measures 10.416 inches wide, 1.867 inches high and 6.12 inches deep and has a 1 year warranty.

The box contains the amplifier with two installed 25A ATO fuses, 2 spare 25A fuses, two 6-inch speaker-level input harnesses, a 6-inch remote in/out harness, four 2-inch mounting screws, two Allen keys (3 mm and 2 mm), two 4-gauge ferrules, a screwdriver and an owner's manual. Contact support if you need help obtaining or using the manual.