- 1-channel Premium Amplifier - Class-D Amplifier Technology - Subwoofer Channel: - variable low-pass filters (30-250 Hz, 12 dB/octave) - variable subsonic filters (10-50 Hz, 12 dB/octave) - variable bass boost (0-12 dB, at 45 Hz) - Frequency Response 10-250 Hz - Wired Dash Bass Knob - RCA and Speaker-Level inputs - Fuse rating: 30A x 2 - Dimensions: 3.75″W x 1.75″H x 7.5″L - 1-ohm Minimum Impedance Monoblock Operation - Automatic Turn-On Hi-Level Signal Sensing - Direct Short, Thermal, & Overload Circuits Protect Amplifier - Hybrid Aluminum Alloy Heatsink for Optimum Dissipation - 250mV 8V High-Level Speaker Input or Low-Level RCA Input - 3 years of warranty