ESI U24 XL User Manual

24-bit USB Audio Interface with S/PDIF I/O

User’s Guide

Revision 3, November 2012

www.esi-audio.com

ESI U24 XL

INDEX

1. Introduction..................................................................................................................................4

1.1 Key Features ........................................................................................................................................................4

2. Description of U24 XL.................................................................................................................4

2.1 Front Panel...........................................................................................................................................................4

2.2 Rear Panel............................................................................................................................................................5

2.3 Minimum System Requirements..........................................................................................................................5

3. Installation....................................................................................................................................5

3.1 Windows XP........................................................................................................................................................6

3.2 Windows Vista / 7 / 8...........................................................................................................................................7

3.3 Mac OS X ............................................................................................................................................................8

4. U24 XL Control Panel .................................................................................................................8

4.1 Input Monitoring..................................................................................................................................................9

4.2 DirectWIRE.........................................................................................................................................................9

5. Audio Applications.....................................................................................................................12

5.1 Windows Multimedia setup............................................................................................................................... 12

5.2 Latency setting and ASIO applications under Windows....................................................................................12

5.3 Mac OS X Audio MIDI Setup...........................................................................................................................12

5.4 Cubase LE 6.......................................................................................................................................................13

6. Specifications..............................................................................................................................14

7. General Information..................................................................................................................14

ESI U24 XL

1. Introduction

Thank you for choosing the ESI U24 XL. U24 XL is not only stylish, it is with dimensions of around 10 cm x 9 cm a device that can go with

you anywhere. Offering total flexibility of an external USB device and pure digital quality, coupled with true high quality 24-bit support on the 2 analog input and 2 analog output channels provided via TRS connectors, U24 XL will easily qualify as the most useful device in your studio, wherever that may be. Even better, U24 XL also provides digital S/PDIF connections in both optical and coaxial format.

If you're looking for a really powerful USB audio device that is small and that gives you maximum performance under Mac OS X as well as under any current Windows environment including Windows 8, 7, Vista and XP, then U24 XL is for you.

1.1 Key Features

- 2 analog input and 2 analog output channels (1/4" TRS connectors)

- one output connector usable as headphone output

- S/PDIF digital in and out available via optical (Toslink) and coaxial (RCA) connectors

- 24 Bit AD/DA converter

2. Description of U24 XL

2.1 Front Panel

The front panel has the following connectors from left to right:

INPUT – L: the left channel of the analog line input with red peak LED next to it. INPUT – R: the right channel of the analog line input with red peak LED next to it. OUTPUT – L: the left channel of the analog line output. This connector is also the HEADPHONE

output when you use single stereo headphones. The power LED is next to it. OUTPUT – R: the right channel of the analog line output.

ESI U24 XL

2.2 Rear Panel

The rear panel has the following connectors from left to right:

COAXIAL S/PDIF OUT: the S/PDIF output in coaxial format. COAXIAL S/PDIF IN: the S/PDIF input in coaxial format. USB: the USB port for connection to your computer. OPTICAL S/PDIF OUT: the S/PDIF output in optical Toslink format. OPTICAL S/PDIF IN: the S/PDIF input in optical Toslink format.

2.3 Minimum System Requirements

- Intel Pentium III 600MHz CPU or equivalent AMD CPU

- 512 MB RAM

- Direct X 8.1 or higher

- one available USB port

- DVD-ROM drive (for Cubase LE 6 installation)

- internet connection (for Cubase LE 6 activation)

- recent Version of Microsoft Windows XP or Windows Vista or higher

Mac

- Power Macintosh G4 or higher

- one available USB port

- 512 MB RAM

- DVD-ROM drive (for Cubase LE 6 installation)

- internet connection (for Cubase LE 6 activation)

- Mac OS X 10.4 or higher

3. Installation

Before installing the drivers of U24 XL, we recommend to check on the download section of www.esi-audio.com for updated drivers.

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