ANT Greenhead 18S, Active Subwoofer, Equipment: 18"" woofer with 2.5"" VC, Power: 1600 W / Peak, 800 W / RMS, With stereo crossover, GND-Lift, Link / X-Over and polarity switchable, Frequency range: 42 - 130 Hz, Max. SPL: 126 dB, Inputs: XLR / 6.35 mm mono jack, Outputs: XLR, 36 mm Pole mount, Wooden cabinet, Optional protective cover: Art.#416870#, Dimensions: 661 x 535 x 560 mm, Weight: 33.2 kg