Pricing and availability
We compare 600+ stores and found this item at 2 stores. Prices updated .
Store
Reviews
Price
Average Price: $234
Standard/Professional
$149
$350+
Price Tier
Budget
Standard
High-end
Price History
Based on price data from 1 merchant for "Expert Sleepers ES-9". Prices shown reflect NEW condition. Tracking began Apr 7, 2026.
* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.
Description
Unlock the full potential of your modular synthesis setup with the Expert Sleepers ES-9. This remarkable Eurorack module blurs the lines between modular systems, computers, and MIDI equipment, making it an indispensable tool for the modern musician. As a 16-in/16-out USB audio interface, the ES-9 ensures you have the connectivity you need to seamlessly integrate your hardware and software environments.
The ES-9 shines with its DC-coupled inputs and outputs, providing pristine 24-bit/96kHz audio and CV signals for the highest fidelity. Whether you're crafting intricate soundscapes or driving complex MIDI arrangements, the module's versatile array of connections—ranging from stereo headphone outputs to S/PDIF and USB-C—caters to all your creative needs.
For those looking to push the boundaries even further, the ES-9 is expandable with the ES-5 mk3 and offers MIDI integration through an optional breakout module. Compatible across multiple platforms including Windows, macOS, and iOS, this is the module that adapts to your workflow, not the other way around. Experience the future of modular synthesis with the ES-9's unmatched flexibility and power.
Key Features:
- 16-In/16-Out USB audio interface
- DC-coupled inputs and outputs for CV and audio signals (24-bit/96kHz)
- Stereo headphone output and balanced stereo output
- S/PDIF input/output via Toslink
- USB-C connection for computers
- MIDI In/Out via optional MIDI Breakout module (not included)
- Expandable with ES-5 mk3 (not included)
- Supported on Windows 7 or higher, macOS, iOS
- Current consumption: 451 mA (+12 V) / 133 mA (-12 V)
Product specs
| Available since | February 2020 |
| Width | 16 TE / HP |
FAQs
-
What is the primary function of the Expert Sleepers ES-9?
-
The Expert Sleepers ES-9 is a Eurorack 16-in/16-out USB audio interface designed for integrating modular synthesizers with computer-based audio systems, offering both audio and CV signal capabilities.
-
How many inputs and outputs does the Expert Sleepers ES-9 have?
-
The ES-9 features 14 analog inputs and 8 analog outputs, all of which are DC-coupled, allowing for both audio and control voltage (CV) signals.
-
Is the Expert Sleepers ES-9 compatible with DAWs like Ableton Live or Pro Tools?
-
Yes, the Expert Sleepers ES-9 is compatible with popular DAWs, providing seamless integration for audio and CV processing.
-
Can the Expert Sleepers ES-9 be used for both audio and CV signals?
-
Yes, the ES-9's DC-coupled inputs and outputs support both audio and control voltage (CV) signals, making it versatile for modular synth setups.
-
What type of connectivity does the Expert Sleepers ES-9 offer?
-
The ES-9 connects via USB to your computer, providing a robust interface for modular synthesizer integration with DAWs and other software.
Videos
Omri Cohen
Using the ES-9 with VCV Rack
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Expert Sleepers ES-9.
Features and functionality
-
The ES-9 is praised for its unique ability to act as a full audio interface within a Eurorack system, unlike traditional external audio interfaces.
Source -
The ES-9 allows routing of all 14 inputs through outputs 1-8, providing flexibility for integrating with external mixers like the Model 1.4.
Source -
The ES-9 allows real-time audio and MIDI track routing through 8 hardware outputs, efficiently integrating Eurorack with DAWs like Ableton.
Source -
The ES-9 includes a built-in mixer, though it's noted to be somewhat awkward to use effectively without an external MIDI controller or OSC template.
Source
Other
-
Some users highlight positive experiences with Expert Sleepers' customer support, specifically mentioning personalized guidance for resolving setup difficulties.
Source
Software and compatibility
-
The configuration tool’s UI is often described as unintuitive, likened to a "Rubik's Cube," but mastering it enhances the ES-9's utility significantly.
Source -
On Windows, ES-9 can occupy the ASIO or ADAT slot, which limits simultaneous use with other interfaces, unlike on Mac where aggregate devices are supported.
Source
User experience
Use cases and applications
-
Users praise the ES-9's ability to serve as a standalone mixer, enabling headphone monitoring and stereo output without a computer or DAW.
Source -
The ES-9 can effectively send CV from VCV Rack VST in Ableton to modular gear, providing a versatile hybrid setup option.
Source -
Pairing the ES-9 with an iPad running AUM allows users to eliminate audio mixing and routing modules, enhancing the mixing experience with advanced effects.
Source -
The ES-9 is praised for hybrid setups, converting Eurorack audio to line levels and offering seamless integration with iPads using AUM for a DAW-less experience.
Source
Setup and maintenance
-
Owners find the ES-9's standalone mixer configuration challenging, requiring precise routing in two separate 8x8 matrices and careful stereo linking for effective output.
Source -
Calibration is necessary for accurate pitch CV output; some users struggle with this, impacting modular control reliability.
Source
Value and pricing
-
The ES-9 is considered the only viable option within Eurorack for users needing extensive multitrack outputs without external interfaces.
Source
Comparisons
-
The Presonus Quantum 2626 with a Behringer ADA8200 offers a comparable solution for modular levels with DC coupled outputs, suitable for CV and clock signals.
Source
Critic Reviews
5.0 out of 5
Based on 1 Review and 1 Rating
amazing
Great web/app interface. Works well with all kinds of software. Extremely customizable
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Similar
Add recommendation1 alternative for Expert Sleepers ES-9, curated by the Equipboard community.
$485.00 - $499.00
version with less I/O but similar capabilities. No line or headphone outputs
More Expert Sleepers Modular Synthesizers
Artist usage
Community setups
Most Popular Modular Synthesizers
Most Popular Brands
-
Added to Equipboard on by
PpulsuresoundsGear IQ 63
-