Item dimensions L x W x H 8.98 x 7.32 x 2.52 inches Voltage 12 Volts Manufacturer Taramp's Mounting Type Surface Mount Brand Taramp's The HD line are Full Range amplifiers so it can be wired with subwoofers, bass, mid-bass, mid-range, 6x9", drivers, tweeters, in addition, they're a mono amplifier with RCA input and High Level Input. The HD 2000 is 2000 Watts RMS rated at 1, 2 or 4 Ohms, with 1 channel of 2000 Watts RMS and is a FULL RANGE amplifier. The Positive/Negative power supply cable is 4 AWG. The output cables wire gauge are 11 AWG and the remote cable is 18 AWG. 115A circuit breaker or a fuse is recommended Crossover: HPF 10Hz ~ 80Hz (-12dB/8ª) Variable / LPF 80Hz ~ Full (-12dB/8ª) Variable and Level control. Dimensions (W x H x L): 8.98