HEDD Bass 08, Active Studio Subwoofer, 8"" Woofer (300 W), DSP system with integrated Lineariser technology, CoP technology (Closed or Ported) to operate the woofer open or closed by means of included removable plugs, Switchable low-pass filter, including 2 LFE modes, Analog input: XLR balanced, Digital input: AES input, Digital output: AES thru, Resolution: 24-Bit / 96 KHz, Input gain: ± 12 dB, Frequency response: 24 - 80 Hz, Max. SPL (sound pressure level): 105 dB, Dimensions (H x W x D): 392 x 290 x 400 mm, Weight: 17 kg