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ESI Audio Manuals & User Guides

ESI Audio specializes in professional audio hardware, offering high-quality PCIe/USB interfaces, MIDI controllers, and studio monitors for producers and musicians.

Tip: include the full model number printed on your ESI Audio label for the best match.

About ESI Audio manuals on Manuals.plus

ESI Audiotechnik GmbH, based in Germany, is renowned for designing professional audio hardware tailored for musicians, producers, and recording studios.

The brand's product lineup features advanced audio solutions including PCIe and USB audio interfaces, fully wireless Bluetooth MIDI controllers like the Xkey Air, studio monitors, and portable synthesizers. ESI is dedicated to delivering professional-grade audio networking solutions and reliable hardware with an excellent price-to-value ratio. Whether facilitating high-quality over-IP audio networks or providing low-latency recording setups, ESI Audio aims to optimize performance for both home studios and professional audio hubs.

ESI Audio manuals

Latest manuals from manuals+ curated for this brand.

ESI Audio Xsynth Portable synthesizer User Manual

July 30, 2025
Xsynth Portable synthesizer Specifications: Product Name: Xsynth Type: Portable synthesizer with master keyboard, MIDI interface, and audio interface Manual Version: 1.1 Date: 04 Feb 2025 Product Usage Instructions: 3. Quickstart…

ESI Audio support FAQ

Common questions about manuals, registration, and support for this brand.

  • Can the Xkey Air 25/37 generate sounds on its own?

    No, it is a MIDI controller that requires software running on a compatible device (like a Mac, PC, or iPad) to produce sounds.

  • How do I reset my Xkey Air MIDI keyboard to factory defaults?

    Hold both the OCTAVE + and OCTAVE - buttons while plugging in the USB cable to reset the unit to its factory defaults.

  • Can I install the U108 PRE driver on a Mac?

    No, the U108 PRE audio interface driver is designed exclusively for Windows operating systems.

  • How do I update the firmware on the Xsynth portable synthesizer?

    Download the latest firmware and Editor from esi-audio.com. Open the Editor, navigate to Global > Update firmware, select the update file, and wait for the process to complete.