Audioengine S8 Powered Subwoofer Speaker

8-inch custom down-firing woofer 250W peak power / 125W RMS Class-D amplifier Frequency response: 27 Hz – 180 Hz Wired connectivity: RCA & 3.5mm inputs Adjustable crossover (50 Hz – 130 Hz) Phase switch + gain control Compatible with Audioengine W3 wireless adapter Hand-finished MDF cabinet with anti-resonant steel frame