ESU22
ESI
4
1. Introduction
Thank you for choosing the ESI ESU22.
ESU22 is not only stylish, it is a portable device that can go with you anywhere. Offering total
flexibility of an external and fully bus-powered USB device with pure pristine digital audio quality,
coupled with true high quality 24-bit support on the 2 analog input and 2 analog output channels
provided via RCA inputs, a microphone preamplifier with XLR input, a Hi-Z instrument input for
guitars, a high quality headphone output and TRS line outputs, ESU22 will easily qualify as one of
the most useful devices in your studio, wherever that may be.
If you're looking for a really powerful USB audio device that is small and that gives you maximum
performance under any current Windows system as well as under Mac OS X, then ESU22 is a
device for you.
1.1 Key Features
- 2 simultaneous analog input and 2 simultaneous analog output channels
- XLR input for built-in microphone preamplifier
- Hi-Z guitar/instrument input
- stereo headphone output
- stereo line output with 1/4" TRS connectors
- stereo line input with RCA connectors
- 24 Bit AD/DA converter
- works with both Mac and PC
2. Description of ESU22
2.1 Front Panel
The front panel has the following connectors from left to right:
Microphone Input
: the input of the microphone preamplifier, optimized for dynamic microphones.
Hi-Z Instrument Input
: the direct input for guitar / instrument signals.
Headphone Output
: stereo headphone output for monitoring using studio headphones.
