Adam SUB8 - 8" sub woofer with coated paper membrane, frequency response: 28Hz-150Hz (±3dB), variable upper frequency barrier control (50-150Hz), a switchable 85Hz high pass filter for the satellite output, variable input gain (-40 to +12dB), balanced XLR inputs. Dimensions: 410 x 260 x 380mm (HxWxD). Weight: 12kg.