Expert Sleepers ES-8

Eurorack USB audio interface module directly compatible with all popular computer-based CV generation software
Expert Sleepers ES-8
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The Expert Sleepers ES-8 is a USB 2.0 class-compliant audio interface to be integrated in your Eurorack Modular Synthesizer. Loaded with DC-coupled inputs and outputs that can be used with both audio and CV devices. The ES-8 is directly compatible with popular computer-based CV generation software and can also work with audio and CV processing iOS apps.

To expand the I/O count of the ES-8, additional ADAT connections have been integrated. Common expansion models include the ES-3 and/or the ES-6, you can also connect traditional audio interfaces for additional mic preamps and ¼” line outputs.

The ES-8 can be used as a stand-alone ADAT to audio converter, providing DC-coupled I/O expansion for other ADAT audio interfaces. The expansion header allows connection to the ES-5 to expand gate, CV and MIDI functions of the ES-8

The ES-8 is equipped with a high-quality internal clock or can be controlled by an external clock through it’s ADAT connections.


  • Panel width: 8hp
  • Module depth: 50 mm
  • Current draw: 19 8mA on the +12 V rail, 52 mA on the -12 V rail (at 96 kHz)
  • USB socket: Type B
  • Driver suport: class-compliant USB 2.0 (no driver required for macOS and iOS - Windows drivers provided for Windows 7, 8 & 10)
  • Channel count: 12 in, 16 out
  • Supported sample rates: 44.1, 48, 88.2, and 96 kHz
  • Audio sample depth: 24 bit
  • Output connections: 8x 3.5 mm TS jacks, DC-coupled
  • Maximum output voltage: approximately ±10V DC
  • Analog inputs: 4x 3.5 mm TS jacks DC-coupled
  • Input voltage range: approximately ±10 V
  • Digital I/O: 1x ADAT input, 1x ADAT output
  • Expansion headers: 1 for ES-5, 1 for ES-6

Additional Information

Condition New
Depth 50 mm
Chassis Module
Input Connectors 3.5mm TS, Optical
Output Connectors 3.5mm TS, Optical
Computer Connection USB
Digital Format ADAT
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