Self-amplifying subwoofer in wooden cabin with 18 ”TURBOSOUND woofer. 3000W RMS class D amplifier with limiter and built-in 100Hz crossover for direct driving of self-amplifying satellites. Frequency response 40-150Hz max SPL 129dB 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 54kg in black color. It has a satellite support nest.