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The LW-200P-04 is an excellent option for assistive listening in restaurants, sports bars, and venues where multiple audio sources are needed. Up to 1000 users access the audio via a free app on their smartphone or mobile device. The LW-200P-04 connects to your existing wireless network and uses a minimal amount of bandwidth. The Listen Everywhere cloud server interface makes updates and other service options simple and fast.

*Custom solutions available upon request to accommodate more channels/users, email [email protected] for information.


One (1) LW-200P-04 Listen Everywhere 4 Channel Server w/Power Supply
One (1) Set of Rack Mount Brackets
One (1) 1.83M (6 ft.) RCA Cable
One (1) 1.83M (6 ft.) CAT6 Cable


  • Up to 1000 Users
  • 4 Channels
  • Low Latency
  • Uses Existing Wireless Network
Configurations & Architectural Specs

Architectural Specs

The audio over Wi-Fi servers shall be capable of broadcasting multiple audio sources over Ethernet to a WLAN access point.  Smart phones and tablets shall be able to receive the audio broadcast through a proprietary app.  The app shall be made available for download to smart devices through the Apple and Android app stores or other web locations at no charge.

Audio over Wi-Fi servers shall be available in two models; one with two audio inputs and the other with 4 to 16 audio inputs.  Each server shall be rack mountable in 1 RU 19” rack space and capable of receiving line level audio inputs.  There shall be audio input indication through LED’s shown on the front panel of the server.  There shall be no user control interface on the server to prevent tampering and facilitate easy setup and operation.

Each server shall have an external power supply for use in multiple countries with the appropriate line cord and have compliance for the countries specified.

The proprietary app shall have the ability to play venue intro videos or video ads.  It shall be capable of showing sliding ad banners, URL hyperlinks, and PDF documents, which are customer supplied and supported.  It shall be capable of timing ads based upon the time of day and day of the week.   The user venue shall be able to customize the app with their own colors, logos and channel names.  Channel selections shall allow customization with channel logos, images and colors.

All app features shall be managed through a web application cloud service as well as have the capability to push updates to each server remotely.  Each server shall be accessible through a LAN manager web application to locally manage server network configurations.

Servers with 2 analog audio inputs shall be Listen Technologies Listen Everywhere LW-100P-02

Servers with 4 analog audio inputs shall be Listen Technologies Listen Everywhere LW-200P-04

Servers with 8 analog audio inputs shall be Listen Technologies Listen Everywhere LW-200P-08

Servers with 12 analog audio inputs shall be Listen Technologies Listen Everywhere LW-200P-12

Servers with 16 analog audio inputs shall be Listen Technologies Listen Everywhere LW-200P-16

CAD file(s)

Product Specifications
Specification LW-200P-04


Audio Inputs Terminal Block: Two analog inputs, rear panel, one terminal block connector per input, balanced, +4 dBu (line) nominal input level, +16 dBu maximum input level, impedance 100k ohm
Audio Inputs *Each stereo channel requires the use of two inputs
Ethernet RJ-45 supports 10/100/1000 Mbps speed. Green LED flashes at 100 Mbps, Yellow LED flashes at 1000 Mbps.

Power Supply

Connector DC Barrel Connector
Input Voltage 100-240 VAC, 50-60Hz
Output Voltage 5 VDC
Current 6.0 A
Power 30 W
Countries North American, UK, EU, AUS


IP Address DHCP, Static, Reserved
Prioritization QoS/ToS
Users 1000 (per server)
Max Channels 4 mono (2 stereo)
WAP Support 802.11n or better w/WMM enabled
Supported WAP Frequencies 2.4 GHz & 5 GHz
Bandwidth Use 125 kbps per user
Frequency Response 20Hz – 20kHz ±1dB
Dynamic Range 86 dB
Signal to Noise Ratio (SNR) 74 dB typical (at nominal input levels)
Bit depth 16 bits
Sampling Rate 48 kHz
Channel Security AES-256-CBC, 128 bit encryption key
System Latency 40 - 80 mS (60 mS average). This can vary per network and mobile device.
Total Harmonic Distortion (THD) <1%
App Support iOS/Android
Cloud Service Yes
Regulatory UL, FCC, CE, KCC, RoHS
Warranty 2 years

Multiple servers may be used to increase the number of channels.


Dimensions (H x W x D) 45mm x 483mm x 117mm (1.77in x 19.02in x 4.6in)
Weight 2.2 kg (4.85 lbs)
Rack Space 1RU


Temperature - Operation -10 ºC (14 ºF) to +40 ºC (104 ºF)
Temperature - Storage -20 ºC (-4 ºF) to +50 ºC (122 ºF)
Relative Humidity 0 to 95% relative humidity, non condensing

Listen Everywhere servers are cloud managed with customizable in-app functions which support welcome messages, videos, sliding banners, PDF documents, offers and supports portable smart iOS and Android devices.
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