Zapco DSP-Z8 IV 8-Ch Digital Sound Processor


8 Channels Digital Sound Processor provides sound quality at cost competitive rate for all to enjoy.

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Zapco DSP-Z8 IV signal processor was designed to bring true audiophile sound quality to an affordable DSP. And it did just that! The DSP-Z8 IV provided sound quality superior to units costing even twice as much. Even competition cars are using the Z8 IV, right up to one of the top Master Class SQ cars. The DSP-Z8 IV has been a true giant killer.


  • Inputs: Main RCA – Aux RCA – Optical
  • Input range: 300mV-4V*
    (*Input can be lower or higher but max sonic performance is in this range)
  • Optimum Input: 4V in for 5V Out @0dB
  • THD+N: Analog Input 1V to 5V: ≤ 0.005% Digital Input: @0dB: ≤ 0.002% Analog Input 1V to 5V: ≤ 0.005%
  • S/N: Analog in A weighted: ≥ 106dB Digital in A weighted: ≥ 110dB
  • Channel Separation: ≥ 90dB
  • Noise Floor without signal: ≥ -128dB
  • Each Output: Crossover HP/LP/None 6dB Steps 6dB~48dB, Signal delay 0~24ms set by distance with ms override. Phase 0⁰/180⁰, Graphic EQ 31 bands Boost/Cut with variable Q, Paragraphic EQ 31 bands Ch1~6 and 11 bands Ch7/8, Muting by Channel or linked groups. Also SOLO single channel play
  • Dim.: 208mm (L) x 50mm (H) x 128mm (D)
  • Operating Current: 600ma
  • Recommended Fuse: 1.5A