Holo audio RED Quick Start Manual

Audio network bridge / digital to digital converter

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HOLO AUDIO
RED
AUDIO NETWORK BRIDGE / DIGITAL TO DIGITAL CONVERTER
Copyright
All rights reserved. No part of this publication may be reproduced or transmitted in
any form or by any means, electronic or mechanical, including photocopy, recording,
or any information storage and retrieval system, without prior written consent of
Holo Audio
Disclaimer
To the best of our knowledge, the information contained in this document is the
most accurate available at the time of publication. Whilst every care is taken to
ensure that the information in this document is correct, no liability can be accepted
by Holo Audio. For loss, damage or injury caused by any errors in, or omissions from,
the information given.

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Summary of Contents for Holo audio RED

  • Page 1 Whilst every care is taken to ensure that the information in this document is correct, no liability can be accepted by Holo Audio. For loss, damage or injury caused by any errors in, or omissions from, the information given.
  • Page 2: Table Of Contents

    INTRODUCTION ..................................2 PRECAUTIONS ..................................2 QUICK START..................................3 : ................................3 ET UP THE ED IN MODE ............................3 ET UP THE ED AS A STREAMING BRIDGE ..............................4 IND THE ADDRESS OF YOUR HARDWARE DESCRIPTION .............................. 5 DDC / NETWORK BRIDGE ..............................6 DDC MODE ........................................
  • Page 3: Introduction

    INTRODUCTION This document describes the installation and configuration of the RED Digital to Digital Converter (DDC) / Audio Network Bridge. PRECAUTIONS Please turn off the power before plugging and unplugging the TF card. Hot plugging with power on may cause damage to the TF card and the chip!
  • Page 4: Quick Start

    QUICK START 1. Unpack the Red 2. Unpack the MicroSD card (Prepared with RedOS software) 3. Before connecting the power cable Insert the SD Card into the Red (Card reader see picture) 4. Connect the IEC power cable Use Red as a Digital Converter (USB to I2S or S/PDIF) follow "Set up the Red in DDC...
  • Page 5: Find The Ip Address Of Your Red

    8. Play music from Roon to the Red Note: If you can't find the Red it might not be available on your LAN. Check the IP address of the Red on on your network, open a web browser on your computer connected to the same (local) network and enter the IP address.
  • Page 6: Hardware Description

    HARDWARE DESCRIPTION RED is composed of multiple sets of ultra-low noise linear regulated power supplies, high-quality clocks, USB signal processors, USB DDC, Raspberry Pi CM4, etc. The internal block diagram is as shown below...
  • Page 7: Ddc / Network Bridge

    USB processor; I2S, COAX-1, COAX-2, OPT, AES will simultaneously output the audio signal from the USB-IN. NETWORK BRDIGE MODE When LAN cable is connected (and USB-IN not connected), the RED will act as a network bridge. Supported audio services are: NAA HQPlayer, Roon Bridge, UPnP, AirPlay,...
  • Page 8: Specifications

    *Pre-installed with custom bridge system FUNCTIONS & CONFIGURATION FRONT PANEL LED status indicator: the power indicator is green and steady, and the load indicator is red and flashing (it is normal to flash or turn off according to the load used)
  • Page 9: Rear Panel

    I2S OUTPUT CONFIGURATION Configure the I2S output line sequence through the DIP switch [1,2] at the bottom of the chassis. Switch (1,2) I2S Configuration Holo Audio Alt 2 Alt 1 Alt 3 DIP switch [3] to set I2S_DSD_ON enable; DIP switch [4] sets the I2S_MCLK frequency, ON is 45.1584M/49.152M, OFF is...
  • Page 10: I2S Layout

    I2S LAYOUT...

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