DESC: The new Riot GT series from Boss Audio combines the hot look of a shielded aluminum heatsink with the cool performance of MOSFET circuitry. Whether you’re hooking up your mids and tweets, looking for a bass engine, or both, the Riot GT series can handle it. This four-channel amplifier features built-in front and rear low- and high-pass crossovers, a selectable 18 dB bass boost, and enough raw power to drive your entire system! This great looking amp also includes speaker-level inputs, tri-mode capability, and remote subwoofer level control. All Riot GT series amplifiers feature extruded aluminum heatsinks with black end panels and top cover.