DAS Audio Vantec-18, Active 18"" Bass Reflex Subwoofer, Power: 1000 W RMS / 4000 W peak, Frequency range: 45 - 138 Hz, Maximum output level: 134 dB, Connections: Speaker twist, 35 mm Speaker stand flange mount, Dimensions (H x W x D): 720 x 545 x 655 mm, Weight: 35 kg, Colour: Black