Category List: Audio System, Brand: Bowers & Wilkins, Short Description:3 - Dedicated 1000W Amplifier with Subwoofer Equilization, Bass Volume / Low Pass Filter / Phase / 2 position EQ, XLR and RCA Input, 2 Subwoofer Outputs, Height - 152.4mm (6"), Width - 508mm (20"), Depth - 406.4mm (16")