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  • 32x Stereo L/R Inputs
  • 32x Digital Coax Inputs
  • 16x Optical Inputs
  • 32x Stereo L/R Outputs
  • 32x Digital Coax Outputs
  • Doorbell/Pager Connection
  • 1x Ethernet
  • 1x RS232 Serial
Brand: Zektor
Model: ProAudio 16x32
The ProAudio32 DSP Pre-Amp Audio Matrix features 80 audio inputs alongside 32 analog outputs and 32 digital outputs, enabling simultaneous audio distribution to multiple zones. Each output zone can be enhanced with built-in features including 5 band equalizer on each zone, adjustable volume and gain settings, subwoofer control, serial and TCP/IP control, lip sync delay and much more.

ProAudio has been designed for the custom install AV market, in many cases the need for an audio receiver can be eliminated by using the audio features of the ProAudio™ Series.

Zektor’s renowned ProAudio™ DSP preamp audio matrices offer more models than any other brand. That’s why the ProAudio™ is the top recommended DSP preamp in the custom channel. More features with unmatched capabilities and ranges.

Designed exclusively by Zektor’s own engineering team here in the USA, the ProAudio™ range are a versatile and cost effective multi-zone audio system.


The ProAudio™ series provides maximum sound control including bas, treble and a 5 band graphic equalizer available for each zone. Audio and tone control are adjustable in 0.5dB steps, and all allow direct or relative adjustments (Ex: Set the volume to an absolute -12.5dB, or increase it by 3.0dB). The tone controls have a range of +/-20dB.


To balance the different levels of audio coming from different pieces of equipment, each audio input has a full range gain adjustment. The adjustment range is: +24dB to -99.5dB, or full mute, in 0.5dB increments.


With low pass and high pass filter settings adjustable from 50Hz to 300Hz, selectable 12db/24db per octave slope with Butterworth or Linkwitz-Riley filters and selectable polarity for each zone, the ProAudio provides easily adaptable subwoofer control.

Lock as many output zones as you wish to create a group of outputs that all automatically switch simultaneously to the same input source.

For hallways, and outdoor speakers, where stereo is not particularly useful, each zone can be mixed from stereo to mono using a variety of different methods.
What's in the box ProAudio32 Chassis, Rack Mounting Kit, Power Cord
Input Type(s Stereo L/R, Optical Audio, Digital Coax
Output Type(s) Stereo L/R, Digital Coax, 12V Trigger, Doorbell/Paging Connector
Video Input Zones 0
Audio Input Zones 80
Stereo L/R Inputs 32
Optical Audio Inputs 16
Digital Coax Audio Inputs 32
Video Output Zones 0
Audio Output Zones 32
Stereo L/R Outputs 32
Optical Audio Outputs 0
Digital Coax Audio Outputs 32
12V Triggers 12
Power Inlet 12V / 60W
Ethernet Pass-through Yes
Lip Sync Delay Up to 170ms per zone
Volume Adjustments 20db to +20db 0.5db steps
Equalizer 5 band EQ per zone
Subwoofer Control Yes
IP Control Yes - via TCP/IP
Serial Control Yes - RS232 Serial
Dimensions and Weight DxHxW 25 cm / 9.9 inches x 8 cm / 22 cm / 8.7 inches (4U) x 44 cm / 17.5 inches ; 4 kg / 8.8 lb
Supported Audio Formats PCM, DD5.1, DTS, All modes
Operating Temperature -10 to +70°C (14 to 158°F)
Storage Temperature -4°F to 140°F (-20°C to 60°C)