Combining 2000 watts of digital amplification with twin balanced Aerofoil™ drivers for incredible low-end power and speed, DB1D is the best Bowers & Wilkins subwoofer. Technical specifications ModelDB1D DescriptionDB Series Subwoofer Technical features2000w Class D Hypex amplifier2 x 300mm (12in) Aerofoil-cone drive units in a balanced configurationDigital preamplifier with Dynamic EQApp-based set-up and BT-LE control Drive units2 x 300mm (12in) Aerofoil-cone drive units in a balanced configuration Frequency range (-6dB)8.5Hz - 500Hz Frequency Response -3dB (centered on level at 100Hz)10Hz - 350 Hz Max Power output2000W Inputs2 x XLR2 x RCA2 x 3.5mm 12V triggerRS-232 - 9-pin D connector DimensionsHeight: 460mm (18.1in)Width: 429mm (16.9in)Depth: 410mm (16.1in) Net weight43kg Cabinet finish (Grille finish)Gloss Black (With black grilles)Satin White (With grey grilles)