MIC input: 600ohms (Ω), 10mV (-54dBV), imbalance

Line input: 10Kohms (Ω), 250Mv (-10dBV), unbalanced

Nonlinear distortion:<0.01%at 1KHz

SNR: Microphone: 65dB circuit: 85dB

Standard protocol: RS-422

Standard communication interface: RJ45

Power source: external AC-24V

Size: 180*130*40

Weight: 1.5kg

Function introduction:

1 、 large LCD screen Chinese display, easy to switch button, easy to operate.

2, the use of 485 communications, can be used as sub control host, to achieve the DVD player, radio player, MP3 player, power manager, power division, matrix controller.

3, a gooseneck microphone input, with a separate key switch control.

4, support a local audio input, the volume size can be adjusted.

5 、 audio frequency adopts balanced transmission mode, with good signal quality and transmission distance, the longest distance can reach 1KM.

6 、 the transmission line adopts five kinds of shielded double glue line, simultaneously transmits the audio signal and the 485 control signal, and can realize the remote paging between the power switch of the remote control equipment and the partition.

7, with a joint input port, can support the use of 8 microphones in series.

8, aluminum alloy panel, box size is: 180*130*40.

9 、 external 24V AC power supply.