DESC: The new Riot Class D monoblock from Boss Audio combines the hot look of a shielded aluminum heatsink with the cool performance of Mosfet circuitry. If youre looking for a bass engine, the Riot series can handle it with a built-in low-pass crossover and selectable 18 dB bass boost. This great looking amp also includes speaker-level inputs and remote subwoofer level control. All Riot series amplifiers feature extruded aluminum heatsinks with black end panels and top cover.