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Audio Base Stations
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1 Zone Non-Alarming Audio Monitoring Base Station

APR-1 is a single zone non-alarming audio monitoring base station.  It contains a single audio input (terminal block) for connecting a single Louroe Line Level microphone for live monitoring. A built-in speaker provides live audio and playback audio. It is designed to interface with a Computer, VCR, or DVR/NVR. A mute switch is provided to mute audio heard on the speaker or a headset. For the rackmount model look at the model APR-1-RM.


  • 1-zone audio monitoring base station
  • Speaker for monitoring live audio and playback from a Computer, VCR or NVR
  • 1-Line Level Microphone Input
  • Line-level audio output (RCA) to DVR/NVR
  • 3.5 mm headphone jack for private listening
  • May be located up to 1000′ from the Louroe microphone

Power and Cable Connectivity:

  • Requires 12Vdc external power, (Recommended DC Power Supply AD-1, LE-242, Click Here)
  • Requires Belden 8451West Penn 452, or similar 2 conductor shielded cable for audio connectivity

Explore other Listen Only Base Stations: Click Here

Technical Design and Project Layout Support

Need help with using Louroes products/technologies in your projects and designs? Need us to look at Architectural Drawings and Plans? Our engineering staff can provide you with valuable information, and support to your business and employees by helping with all your projects/proposals. We will assist you from start to finish with cost-effective solutions for your success.

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5-Year warranty
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Audio Monitoring Notice

When this equipment is used as part of an audio monitoring system, the law requires that the public be given notice of AUDIO MONITORING ON THE PREMISES.
Two decal notices are included with each microphone shipped.

Federal Law References: Federal Regulations, US Code, Title 18, Crime and Criminal Procedure. Sec 2510.


What's in the box

1 x APR-1, 1 x AD-1, (12Vdc, 1.5A DC Power Supply), 1 x Dual RCA Cable (6ft.), 1 x Owners Manual/Instructions

Installation Requirements



  • NVR
  • Video System


Use Cases


Line Level Input Channels:
Input Connectivity Channels 1:
3 Position terminal blocks
Monitor Output Power:
Audio Output Impedance:
600Ω @ 1kHz
Audio Input Impedance:
Freq. Response:
100 Hz to 10 kHz
Headphone Output Impedance:
Excepts 8 to 600Ω headsets
Power Input Requirements:
12 Vdc, 500mA
Current Draw:
Audio Monitoring/Recording Output Connectivity:
Female RCA jack
Audio Playback Input Connectivity:
Female RCA jack
8 1⁄4"L x 5 3⁄4”W x 1 3/8" H
1 lb 6 oz

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Have a question about the APR-1? Contact us directly.
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How to Buy

United States and Canada
Louroe sells products through a network of dealers and distributors across the United States and Canada. Find your local Louroe Distributor on the locator portal.
  Find a distributor
Latin America
Please contact LAR Group, the Louroe representative group for Latin America including the Caribbean.
  Contact LAR Group
Other Worldwide Regions
For regions outside of North America, Latin America and the Caribbean, please contact Louroe directly at (888) 265-8474 or via email on our contact form.
  Contact Us
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