The ASK-4 #101-B Audio Monitoring Kit from Louroe Electronics is a single-zone audio monitoring system designed to interface with a DVR, VCR, or other recording devices that accept line level input. It consists of a Verifact B Microphone, an APR-1 Audio Base Station, an AD-1 Plug-in Switching AC Adapter, and a Dual RCA cable for connection to DVRs / VCRs or other Audio devices that accept line level input. It is suitable for use in convenience stores, fast food restaurants, booking rooms, police interrogation rooms, day care centers, sleep disorder centers, therapy labs, cashier booths, gas stations, or anywhere CCTV cameras are installed.

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The APR-1 Audio Base Station is a single-zone, non-alarming audio base station. As a system (with the LOUROE Microphone), it provides one-way live audio with a 3” (7.62cm) built-in speaker. Unit contains input / output jacks for connecting to a DVR / VCR for audio recording and playback. Other features include adjustable volume control and a 3.5mm headphone jack. A mute switch is also provided to mute the audio heard on the speaker of the headset. The distance between the APR-1 Base Station and the microphone can be up to 1,000' (305m).

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The Verifact B Microphone is an omni-directional, low impedance, electret condenser microphone with built-in preamp for producing line level audio. It is housed in a high impact ABS dome designed for ceiling or wall mounting. The normal pick-up pattern is approximately 15' (4.57m) from the microphone location towards all directions, or within a 30' (9.14m) diameter circle. The Verifact B microphone has an extension cable for positioning the microphone from 3 to 10’ (0.9 to 3m) from its dome housing. It is suitable for high ceiling installations.