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openGear MUX-8258-4C (-8C) 3G / HD / SD SDI Analog Audio Embedder


The MUX-8258-4 /-8C is a high quality program analog audio embedder capable of embedding up to 8 analog audio channels into an 3G / HD / SD SDI signal. Audio pr oc amp control on each input allows for audio processing with independent channel sample rate conversions, gain of ±10dB, audio delay up to 1 second, channel phase invert and summing capability.

The MUX-8258-4C /-8C is extremely flexible in handling channel assignments and channel re-mapping as well as fully configurable append and overwrite capability for existing channels. Various configuration options are available for backup scenarios should a loss of input occur.

The MUX-8258-4C features 4 balanced analog audio inputs and the MUX-8258-8C features 8 balanced analog audio inputs.



  • Analog audio embedding for all popular HD / SD SDI formats
  • Analog gain processed entirely in the analog domain
  • Audio proc amp controls; gain, invert, delay and sum
  • Full control over channel assignments, primary and backup sources
  • Configurable overwrite and append capability for existing embedded audio
  • Programmable video output on SDI input loss
  • Backup audio insertion on audio input loss
  • Programmable silence detection and timeout thresholds
  • No audio breakout cables required
  • 5-year transferable warranty
  • MUX-8258-4C Power: 9.5 watts
  • MUX-8258-8C Power: 11 watts


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