HK Audio Sonar 115 Sub D, Active 15"" Subwoofer, Power: 1500 W peak, Class D amplifier, Max. SPL (sound pressure level): 128 dB, Frequency response: 36 Hz - X-Over, Inputs: 2x Balanced XLR/jack combo, Outputs: 2x Balanced XLR thru, 24 DSP, LCD display, Wooden cabinet, Dimensions (W x H x D): 430 x 612 x 616 mm, Weight: 26.4 kg, Colour: Black