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Zapco ADSP-Z8 IV-6AT 8-Channel DSP with 6-Channel Amplifier

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Product Information

Model: ADSP-Z8IV-6AT | UPC: 8033373005251


What's In The Box

Product Information

Model: ADSP-Z8IV-6AT | UPC: 8033373005251

The DSP-IV Series signal processors present a complete solution tailored for sound quality enthusiasts. Available with or without on-board amplification, the DSP-IV Series signal processors are feature packed and deliver audiophile sound quality with enhanced software and the latest in OEM integration technology.


  • 8 Channel DSP
  • On-board 6 channel (720 Watt) amplifier
  • Coaxial and optical inputs
  • Dash remote with interactive control for input source, control the master volume, and bass output
  • Determine which inputs will be used for each output and how much of each input the output will receive with the mixing set function
  • Auto calibration function, when used with the (optional) M-AT1 microphone
  • HD-BT streaming (with optional HD-BT II-D module)
  • User-friendly software

New Features, New Control, Even Improved Sound Quality

You can only be as good as your source material, and the new DSP-IV series greatly expands your potential for the best possible source material. The new coaxial and optical inputs accept the digital signal from your head unit or from a portable HD player. The DSP-IV units also have a port for HD Bluetooth streaming (with the optional HD-BT module). An interactive digital port will expand your options even more. The port accepts the control input from the included Dash Remote so you can change input source, select your song, control the master volume and even control the output of your system’s bass amps. The added Advanced menu also has a Mixing Set and an AutoTune function (except the 12-ch. and 16-ch. model), when you add the optional tuning microphone.

Auto Calibration

The DSP-IV series processors give you automatic calibration for Equalization, Phase, and Signal Delay when you add the optional calibrated tuning microphone. You can choose which function of functions you wish to have the system calibrate and you can choose which channels you wish to include in the calibration. In the Graph area you can see what the system is doing by looking at the Speaker curves and/or the Equalization curves, and you can turn the target curve on or off. Calibrating all channels for all functions can typically 5 to 10 minutes to do automatically what you might spend several hours doing. Of course, it is the human ear that will always be the final judge, but the auto-tuning puts you at the point where you can do just the final tweaks and sit back and enjoy the music.


  • DSP Processor: Cirrus Logic CS47048    
  • Power: 150 MHz/32 bit/192 KHz
  • Channels: 8
  • ADC: Cirrus Logic CS47048 32 bit/192 KHz
  • ADC Dynamic Range/THD: 108 dB/-98 dB
  • DAC: Cirrus Logic CS8422 24 bit/192 KHz
  • DAC Dynamic Range/THD: 140 dB/-120 dB
  • Low level (Pre)/Sensitivity: 1-5 VRMS
  • High Level (Spk In)/Sens.: 2-20 V
  • Optical Digital IN: 24 bit-192 KHz
  • Coaxial Digital IN: 24 bit-192 KHz
  • Freq. Response (-3dB): 10 Hz - 22.5 KHz
  • S/N Input: 110 dBA (D) - 106 dBA (A) 
  • S/N Ratio Amp + DSP at max. power: 95 dBA 
  • THD+N Input: 0,002% (D) - 0,005% (A)
  • THD+N Amplif. + DSP Analog Input:  0,07 %
  • Crosstalk at 1 Khz only DSP: 90 dB
  • Crosstalk Amplifier + DSP: 45 dB
  • Amp Power @ 4Ω: 6 x 80 watts
  • Amp Power @ 2Ω: 6 x 120 watts
  • Amp Power @ 4Ω Bridged: 3 x 240 watts
  • F/R EQ: 1-6 ch Gr. & Par./31 poles
  • Effect EQ: 7-8 ch Gr. & Par./11 poles
  • Mute/Solo: Yes, each channel
  • Time Align. (Range/Steps): 0/15 ms / 0.02 ms
  • Max Delay (Cm/Steps): 515 cm / 0.68 cm
  • Polarity: 0/180°
  • HD-BT Streaming (with optional HD-BT II-D)
  • Unit Dimensions: 213(W) x 222(L) x 50(H)

What's In The Box

  • ADSP-Z8 IV-6AT 8-Channel DSP with 6-Channel Amplifier
  • Dash Remote & Cable
  • Speaker LeveL Input Harness
  • USB A to B Cable (for PC control)
  • Mounting Hardware
  • Manual
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