CopperSound Iris Optical Compressor

Sale price$129.00


Iris is a streamlined, all-original optical compressor circuit, built around a uniquely biased audiophile-grade op-amp and optical network.

Compression without confusion

Optical compressors are well-known for delivering smooth compression and sustain.

The compression toggle gives the user access to three distinct compression amounts, from sweet and subtle, to full on squish! This, in conjunction with a simple volume knob, allows the user to smoothen out dynamics and thicken up their signal. No need to dive deep into over-complicated control options. Whether you want to even out your picking or make your notes pop off the fretboard, Iris is perfect for the player that wants to skip the frustration and get right to the sweetness and benefits of a dialed-in, studio compressor.

Studio-grade compression in the palm of your hand


  • Original optical compression circuit
  • Three levels of compression
  • Mechanical true-bypass switching
  • 9V | 2.1mm x 5.5mm Center Negative 
  • Consumption: 20mA @ 9V
  • In/Out: ¼” Instrument Cable

When we began expanding our Mini Series line-up, we made sure to offer a versatile catalog. The idea for a compressor had been in the foreground of our conversations. Given the space confines of our mini enclosure, paired with the size of traditional through-hole components, we got creative when it came to designing circuits. Compressor circuits are well-known for often being rather large. These two factors sparked the idea for Iris – an optical compressor using only 25 total parts.

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