Asus Xonar Essence STU User Manual

Xonar Essence STU

Hi-Fi USB DAC (Digital-to-Anolog Converter)

User manual

E8252

First Edition March 2013

No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).

Product warranty or service will not be extended if: (1) the product is repaired, modied or altered, unless such repair, modication of alteration is authorized in writing by ASUS; or (2) the

serial number of the product is defaced or missing.

ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.

SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.

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Contents

Introduction ............................................................................................4

Package contents .................................................................................. 4

Safety Information .................................................................................5

Wet Location ..................................................................................................6

Outdoor Use ...................................................................................................6

Disconnect Device - The Main Plug or an Appliance Coupler ........................6

Driver installation ..................................................................................7

Functionality ..........................................................................................8

1. USB DAC ( Digital-to-Analog Convertor)................................................8

2. Stand alone DAC....................................................................................9

3. Headphone amplier ..............................................................................9

Front Panel ...........................................................................................10

Rear Panel .............................................................................................11

Hardware Introduction ........................................................................13

Connections ......................................................................................... 14

Input .............................................................................................................14

1. NB/PC-USB connections ................................................................................14

2. Digital audio input connections ......................................................................15

Output...........................................................................................................16

1. With Amplier and Passive Speaker System ..................................................16

2. With Active Speaker directly ............................................................................17

3. With Headphone/Headset ...............................................................................17

Specications ......................................................................................18

Introduction

Xonar Essence STU USB DAC is ASUS Xonar’s innovative response to the world-wide trend of PC Hi-Fi. With PC audiophile’s number growing fast according to the convenience and high

resolution of digitalized audio contents, Xonar Essence product line is committed to provide solution for their needs to enjoy extreme high-delity music with any PC.

Xonar Essence STU grants any PC audiophiles or PC audiophiles-to-be the best solution to enjoy their music with extreme clearness, details, and hassle-free controls that help to re-discover one’s music collection.

Package contents

This package should contain the following:

• ASUS Xonar Essence STU Hi-Fi USB DAC x1

• USB cable (‘B-A’ type) x1

• Power cord x1 (Some versions may have 2 power cords for different countries)

• Power adaptor x1

• User manual x1

• Installation driver CD x1

• Product Stand x1

4 ASUS Xonar Essence STU

Safety Information

For your own safety please read the following important safety instructions carefully before attempting to connect this unit to the mains power supply. They will also enable you to get the best performance from and prolong the life of the unit.

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean machine surface with a cloth (no any detergent applied).

7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.

8. Do not install near any heat sources such as radiators, heat registers, stoves, or other

apparatus (including ampliers) that produce heat.

9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug

has two blades with one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If

the provided plug does not t into your outlet, consult an electrician for replacement of the

obsolete outlet.

10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles and the point where they exit from the apparatus.

11. Only use attachments/accessories specied by the manufacturer.

12. Use with only the cart, stand, tripod, bracket, or table specied by the

manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.

13. Unplug this apparatus during lightning storms or when unused for long periods of time.

14. Refer all servicing to qualied service personnel. Servicing is required when the apparatus

has been damaged in any way, such as the power-supply adaptor having been damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

ASUS Xonar Essence STU

Wet Location

Apparatus shall not be exposed to dripping or splashing and that no objects lled with liquids,

such as vases, shall be placed on the apparatus.

Outdoor Use

Warning! To reduce the risk of re or electric shock, do not expose this apparatus

to rain or moisture.

Disconnect Device - The Main Plug or an Appliance Coupler

The mains plug or an appliance coupler is used as the disconnect device for disconnection from the mains, the disconnect device shall remain readily operable.

6 ASUS Xonar Essence STU

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