Excellent working condition.  Original MSRP in 2018 was $10K.  

OVERVIEW

Zektor’s ProAudio48 audio matrix switch provides a world class audio experience with maximum flexibility and capability plus the largest selection of DSP preamp model configurations. Our feature- rich products eliminate the need for an AVR in many large scale audio environments. Zektor’s renowned capabilities with volume, bass, treble, EQ, input/output gain control, lip sync delay, mono mixdown with programmable zone mute and 12V amp triggers is the industry standard.

FEATURES
  • Inputs - 32 x Stereo L/R, 16 x Optical, 16 x Digital Coaxial
  • Outputs - 48 x Stereo L/R, 48 x Digital Coaxial, 18 x 12V Trigger
  • Volume, Balance, Bass, Treble and 5 Band Equalizer control of analog and digital audio. • Volume range: +24dB to -99.5dB, and full mute (-115dB), with 0.5dB step resolution.
  • Master volume to control all zones simultaneously (+24dB to -99.5dB), and full mute.
  • Tone / EQ ranges: +20dB to -20dB, with 0.5dB step resolution.
  • Gain settings (+/-24dB) for all analog and digital inputs.
  • Zone gain settings (+/-24dB) for each zone.
  • Lip sync delay from 0 to 170ms, per zone and/or per input.
  • Audio format conversion: Digital inputs are automatically converted to analog audio. (Does not downmix Dolby5.1 or DTS to analog audio, but does pass multichannel audio to the S/PDIF outputs)
  • Both analog and digital audio is available simultaneously on the outputs.
  • Controlled through TCP/IP and/or Bi-directional RS-232. The TCP/IP and RS-232 share a simple ASCII protocol. Drivers available for all major control systems. The easy to use protocol makes writing new drivers a breeze.
SPECS