The Model AP-4TB is four zone audio monitoring base stations designed for two-way listen/talkback. As a complete system, any zone can be monitored, by pressing the button switch for the desired zone. The units contain a 3” built-in speaker for monitoring audio and a built-in microphone for talking back to the remote zone. Each zone has an audio output jack (RCA) for connection to a DVR with multiple audio inputs. All Louroe Speaker/Microphones (Model TLI, TLM, TLMC, TLSP, and TLO) are compatible with the AP-4TB
Application
....Anywhere CCTV Cameras Are Installed
Features
| Input sensitivity (talk back microphone) | -45dB |
| Monitor power output | 1W @ 8Ohm |
| Talkback power output | 1.5W into 70V line |
| Audio output impedance | 600Ohm |
| Audio input impedance | 10kOhm |
| Audio frequency response (flat) | 100 Hz to 10kHz |
| Audio frequency response (enhanced) | -20 dB @ 200 Hz to +8dB @3 kHz |
| Headphone impedance | 8 to 600 Ohm |
| Power input | 120 Vac, 60Hz |
| Fuse | ¼ A slow-blow |
| Dimensions | 10¼"L x 12½"W x 2 ½”H |
| Weight | 8 lbs 6 oz |
| Shipping Weight | 10 lbs |