The ASK-4 #501 is a single zone audio monitoring system for two-way audio. The TLM-W remote unit contains a Verifact line level microphone and a speaker, all within one housing. The AP1-TB desktop base unit produces live audio and playback functions. Talk from the base unit to remote speaker/microphone is engaged by toggling the “hold to talk" switch and speakinginto the built-in microphone. A person at the remote speaker/ microphone can listen and talk hands-free.

• AP-1TB:
• Desktop base station with built-in microphone and speaker
• Line Level input/output (RCA jacks)to DVR for recording and playback
• Volume control for both listen and talkback
• TLM-W:
• Microphone and speaker mounted within ABS enclosure
• Omni-directional microphone, within 30′ diameter