sundown audio SDX-400.1 (SDX series) Amplifier

sundown audio SDX-400.1 (SDX series) Amplifier   Moderate power, tiny size, but at the top-end of Full-Range Class-D fidelity. The controls will have a removable cover that bolts down on top of them. The overall case is a big chunk of cast aluminum to keep temperatures in check!     Features Digital Class-D Mono Block Amplifier Dual MOS-FET PWM Power Supply 1 Ohm Stable Load 12 dB/Octave - Variable Low Pass Filter DC Auto sense feature 0 to 12dB - Variable Bass Boost 4 Way Protection Circuit (Thermal, Voltage Speaker short and DC Offset) Wired Remote Control     Specifications   Mono Block Class-D Amplifier 1 x 400W at 1 Ohm 1 x 300W at 2 Ohm 1 x 175W at 4 Ohm Recommended Fuse Rating: 40A LoW Pass Filter (-12dB/8) Variable: 50hz-250hz Input Sensitivity: 6V Max S/N: >90dB Cast Aluminum Heat Sync Water Resistant Highpass / Lowpass / Bandpass Filter Gain Adjustment  Suitable for vehicles with start / stop function Dimensions in mm (LxWxH): 147 x 102 x 54 mm