The Sunfire SDS-8 dual-driver subwoofer is a good choice for systems where small size and high output are equally important. This Sunfire subwoofer digital amplifier delivers 400 watts of peak performance and 200 watts RMS. The Sunfire SDS-8 sports a front-firing 8-inch custom Sunfire driver that is acoustically matched to an 8-inch down-firing passive radiator, resulting in almost double the output compared to a single-driver design. The Sunfire subwoofer is equipped with automatic turn-on, level control, and crossover adjustment with a 30-150 Hz invariable frequency. The 2.4 GHz wireless kit in this unit, specifically designed and tuned for subwoofer applications, contains both the wireless transmitter and receiver. The wireless kit in this Sunfire subwoofer allows for connection of up to two receivers and subs from a single transmitter. This dual-driver subwoofer also features RCA inputs/outputs and gold plated connections, as well as a detachable power cord. It offers a black ash finish and a black grille.