Audion 4

Product Details

The Audion™ 4 amplifier is a 4-channel amplifier with expansion. It has four independent controls for compression ratio, compression threshold, expansion threshold, MPO (Maximum Power Output),and compression time constants. It features standard compression adjustment.


  • 4-Channel Wide Dynamic Range Compression with Dynamic Contrast  Detection™
  • Patented Adaptive Feedback Cancelling
  • Layered Noise Reduction™
  • Expansion – Gain Reduction for Low-Level Sound
  • Output Limiting – Wide Band Output Limiting (MPO) with Adjustable Thresholds

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