MIC input: 10mV (-54dBV), 600kohms (Ω), unbalanced

Line output: 250mV (-10dBV), 10Kohms (Ω), unbalanced

Nonlinear distortion: THD<0.01%, at, 1KHz

Alarm activation signal: short circuit, DC24V

There are three types of alarm tone: (prompt tone 1, prompt tone 2 and recording)

Record playback mode: cycle

Control mode: automatic / manual

Power Supply：AC220V～240V/50～60Hz

Power consumption: 10 ~ 15W

Protect:AC　FUSE（0.5A）×2

Machine size:485×390×90mm

Net weight: 7.5Kg

1, built-in 2 kinds of bell tone and 1 sirens, support MIC recording, as long as 20 seconds.

2, the use of short circuit alarm, the broadcast of the voice can choose bells, tone, siren sound or recorded voice.

3, support manual and automatic playback.

4, 2U standard chassis design, aluminum alloy panel, beautiful and practical.