Self-amplifying subwoofer in wooden cabin with 12 ”woofer. Amplifier 500W RMS class D with limiter and integrated crossover 100Hz for direct driving of self-amplifying satellites. Frequency response 45-180Hz max SPL 122dB and integrated active stereo crossover. Balanced XLR inputs, Link out with Balanced XLR, normal or boost setting to boost or not low frequencies & high cut. Weight 19.5kg in black color. It has a nest for a support base.