4Ch Class D compact amp 400w

Product info:
compact 4-channel car amplifier
45 watts RMS x 4 at 4 ohms
45 watts RMS x 4 at 2 ohms
90 watts RMS x 2 bridged at 4 ohms
Class FD amp technology
frequency response: 10-40,000 Hz
Hi-Res Audio certified
switchable high- and low-pass filters: 80 Hz, 12 dB/octave
More info:
compatible with stop/start systems (up to 16V)
preamp and speaker-level inputs
speaker wire adapters included
speaker-level inputs can handle up to 16V (64W)
signal-sensing turn-on with speaker-level input
wiring and hardware not included with amplifier
10-gauge amp wiring kit with fuse recommended
fuse rating: 15A x 1
dimensions: 9.3"W x 1.46"H x 2.54"D