dB Technologies Sub15 H, Active semi-Horn-loaded 15 "Subwooofer with 1400W, Bass-Reflex/Horn hybrid housing, 15" woofer with 3 "Voice Coil, Frequency response (-10dB) 35Hz - 150Hz, Digital amplifier with 1400 W / Peak 700W / RMS, 56-bit DSP for X-over, limiter, delay, EQ, delay of 4.5 ms and phase reverse facilitate optimum adjustment or Cardioide bass setups, stereo crossover @ 90Hz or 120Hz, M20 thread for mounting pole, Cabinet is prepared for Wheels Neutrik PowerCon in / out, Dimensions 524 x 511 x 695 mm weight 31.5kg, Optional cover 352440