Self-amplifying subwoofer in a wooden cabin with 18 ”woofer. Amplifier 1300W RMS class D with limiter. Frequency response 35-180Hz, 134dB max SPL. 2 inputs with Line Balanced XLR combo / jack and 2 Link out with Balanced XLR are provided. It has a DSP (LCD Screen) processor with selectable placement setting (normal, cardioid). 2-position mode selection (Music, Live), low pass setting (80Hz, 100Hz, 120Hz, 150Hz), polarity setting. Weight 32.8 kg in black color. It has an M20 screw for a support base.