DAS Audio Altea-718A, Active 18"" Bass Reflex Subwoofer, Class-D amplifier, Power: 600 W RMS / 1200 W peak, Frequency range: 45 - 138 Hz, Maximum level: 134 dB, Inputs: 2x XLR/jack combo, Output: 2x XLR, Integrated 24-bit DSP with various presets, 35 mm Speaker flange, Dimensions (H x W x D): 720 x 545 x 650 mm, Weight: 42 kg, Colour: Black