ESI U46 SE User Manual
4-in/6-out USB Recording Interface
User’s Guide
ESI - Copyright © 2007
Revision 1, June 2007
www.esi-audio.com
U46 SE ESI
INDEX
1. Introduction..................................................................................................................................4
1.1 What’s in the box.................................................................................................................................................4
1.2 Key Features ........................................................................................................................................................4
2. Description of U46 SE.................................................................................................................. 5
2.1 Front Panel........................................................................................................................................................... 5
2.2 Rear Panel............................................................................................................................................................6
3. Hardware Installation .................................................................................................................6
3.1 Minimum system requirements............................................................................................................................6
3.2 Installation ...........................................................................................................................................................7
4. Driver Installation........................................................................................................................ 7
5. U46 SE Control Panel..................................................................................................................9
5.1 Pull Down Menu..................................................................................................................................................9
5.2 Input section.......................................................................................................................................................10
5.3 Output section....................................................................................................................................................11
5.4 DirectWIRE....................................................................................................................................................... 11
6. Applications Setup.....................................................................................................................14
6.1 Windows Multimedia setup...............................................................................................................................14
6.2 Latency setting and ASIO applications..............................................................................................................14
7. Technical Specifications ............................................................................................................ 14
8. General Information..................................................................................................................16
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U46 SE ESI
1. Introduction
Thank you for choosing the ESI U46 SE.
U46 SE is an ideal mobile recording interface for both laptops and desktop computers. It offers a 4-
in 6-out multi-channel audio interface with a separate Mix output.
U46 SE’s flexible 4 inputs provide you to record from a variety of sources. There are 2 stereo Line
inputs, a microphone input with +48V phantom power and Hi-Z (Electric Guitar) input.
6 line level analog outputs allow you to connect various external devices or to a 5.1 surround
system. A separate Mix output and headphone output allows you to monitor your inputs and outputs
directly. U46 SE offers all these features in a rugged, compact package that can travel with you
anywhere.
Even if you are an experienced professional, please take some time to read through this user manual
and familiarize yourself with the U46 SE’s features and operation. You may also want to refer to
your audio software’s documentation to better understand how the U46 SE’s features are integrated
with your program. Your experience and enjoyment of your U46 SE will be greatly enhanced by a
good working knowledge of your audio software.
1.1 What’s in the box
- U46 SE USB audio interface
- Driver CD (incl. UAT bundle software)
- User’s Guide
- USB cable
1.2 Key Features
- 4-in 6-out multi purpose USB audio interface
- 4 line inputs (mono)
- microphone input with gain control
- +48V phantom power for condenser microphone
- direct instrument input for electric guitars (Hi-Z) with gain control
- 6 line level analog outputs with separate mix outputs
- headphone out with level control
- 4 channel recording and 6 channel playback at the same time – Full Duplex
- 4-in 6-out at 44.1 kHz, 4-in 4-out at 48 kHz
- WDM, MME, ASIO, CoreAudio and DirectSound support
- Ultimate Audio Tools software package
- compatible with Windows and Mac OS X
4
U46 SE ESI
2. Description of U46 SE
2.1 Front Panel
(1) Channel 1/2 input connector (CH 1/2)
- Input source (MIC/LINE) selector: This is where you select input sources of channel 1/2.
- MIC IN connector: Connect your microphone to this balanced 1/4” connector.
- +48V phantom power switch: Supply +48V DC phantom power to input channels 1/2 by
pressing the button.
- GAIN control for microphone input: Control input level of microphone.
(2) Channel 3/4 input connector (CH 3/4)
- Input source (Hi-Z/LINE) selector: This is where you select input sources of channel 3/4.
- HI-Z IN connector: Connect an electric guitar or bass guitar to this unbalanced 1/4” connector.
Only unbalanced 1/4” phone jack connection is possible via this input.
- GAIN control for Hi-Z input: Control the input level of a connected electric guitar via this
control knob.
(3) Headphone output (HP OUT) with Headphone volume control: Monitor all input sources
and output sources through the headphone output. The output level can be adjusted with the
control knob.
(4) Power switch: Allows you to turn on / off the unit.
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