The ASK-4 #102-RM 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 an APR-1 Desktop Base Station, a Verifact D Microphone, an AD-1 Plug-in Switching AC Adapter, and a dual RCA cable for connecting to a DVR / VCR. It is suitable for use in convenience stores, polices interview rooms, booking rooms, fast food restaurants, casino soft count rooms, speech therapy labs, or anyplace where CCTV cameras are installed.

The APR-1 Desktop Base Station is a single-zone, non-alarming audio monitoring device. As a system (with a Louroe microphone), it provides one-way live audio with the built-in 3' (7.62cm) speaker. It features input / output jacks for connecting to a DVR / VCR that accepts line level input 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 and the microphone can be up to 1,000' (305m).

The Verifact D Microphone is an electret condenser microphone with pre-amp and omni-directional pattern. It provides listening capabilities between the area of coverage and the Louroe Base Station or other audio receiving devices. The microphone assembly is mounted to the back of a single-gang stainless steel faceplate that fits into a single-gang electrical box. The Verifact D Microphone can be flush or surface mounted to a wall or ceiling.

The dual RCA cable allows for connection to a DVR/VCR or other audio devices that accept line level input (0 dB @ 600Ω). The AC adapter supplies 12VDC to APR-1 and the microphone.