Solton AART 15, active 15" subwoofer with internal digital amp, 500/1000 Watt, 45 - 150 Hz, 4 Ohm, XLR in/out, M20 threadadapter, 2 handles, 4 wheels, dimensions Sub: 440 x 650 x 590 mm, weight 37 Kg, Optional cover 263344