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One Main Street  

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  Whitinsville, MA 01588  

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  Tel 800 992 5013 / 508 234 6158  

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  www.eaw.com

EAW products are continually improved.  All specifications are therefore subject to change without notice.  ©2022 Eastern Acoustics Works

UXA4403 Quickstart Guide

Carton Contents

 

• Amplifier unit 

 

 

• Output connector x 1 or 2 

 

• Mains power cable 

 

 

• Adhesive rubber feet x 4 

 

• Input connector x 2 

 

 

• Document pack 

 

• GPIO Socket Connector 

 

• Rack Mount Ears (fitted) x2

 

Connection Sockets

Network 

Control

Configurable

 

GPIO

S/PDIF Audio I/O 

Audio Inputs

 

Balanced: Euroblock

 

Unbalanced: RCA Phono.

Configurable 

Speaker  Outputs 

Mains 

 

Power Input 

Wireless Network Control Connection

Wired Network Control Connection

•  The amplifier must be switched on before use via its front panel 

Standby button. Do not switch on until all required signal and control 
connections are made.

•  High or low impedance speaker connection options can be selected 

independently for each output channel via the configuration web 
app

•  Analogue input sensitivity can be adjusted independently for each 

channel via the configuration web app.

Installation Notes

•  Audio I/O routing can be configured via the configuration web app.

•  GPIO (General Purpose Input/Output) options can be configured via 

the configuration web app.

•  Ensure that rack or other confined installation does not restrict 

the front to rear airflow required for safe and reliable operation 
of the amplifier. It is important that the 40°C maximum operating 
temperature for the amplifier is not exceeded.

A mobile, laptop or desktop device with WiFi functionality and a web 
browser is required. Follow the steps below.

1. Connect the [Amp Name] amplifier to mains power using the 
supplied mains cable and switch it on via the front panel Standby 
switch. Wait for the front panel WiFi indicator to illuminate green.

2. Use a mobile, laptop or desktop device to search for available WiFi 
networks. Connect to, ‘[Amp Name] (product serial number)’ using the 
password, ‘password’. The amplifier serial number can be found on its 
rear panel.

3. Open a mobile, laptop or desktop device web browser and enter 
the following IP address: 192.168.4.1. The amplifier configuration 
web interface page will open in the browser app to enable amplifier 
configuration as required.

It is strongly recommended that the amplifier WiFi password is 
changed following initial wireless connection.

A laptop or desktop device with Ethernet functionality, a web browser 
and a network scanning app is required. Follow the steps below.

1. Connect the [Amp Name] amplifier Network Control socket directly 
to a laptop or desktop device - or through a switch.

2. Connect the [Amp Name] amplifier to mains power using the 
supplied mains cable and and switch it on via the front panel Standby 
switch. Wait for the front panel Network indicator to illuminate green 
to indicate that the amplifier has network connectivity.

3. The default LAN IP address of the amplifier is 192.168.64.100. 
Configure your laptop or desktop device to a fixed IP address in the 
same IP range, ex. 192.168.64.10, with Subnet mask 255.255.255.0 (or 
prefix 24) and set Gateway to 192.168.64.1.

4. Open a laptop or desktop device web browser and enter the 
address http://192.168.64.100/ - The amplifier configuration web page 
interface will open to enable amplifier configuration as required

.

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