ZHC348-0411SZ Intelligent Audio Switcher

Overview

ZHC348-0411SZ Intelligent Switcher is a professional broadcasting grade audio switching device that supports 4 digital AES audio inputs (supports music), with 1 digital AES audio output and 1 balanced analog audio output after switching. It has two switching modes: manual and automatic. In manual mode, the desired audio channel can be easily selected through buttons; Intelligent judgment of channel audio status and switching in automatic mode. This product is an excellent audio switching device.

Features

l Adopting high-speed MCU processor control, reliable performance

l Color display screen dynamically displays audio level and device status

l Customize switching time and switching threshold

l Convenient and efficient network (TCP/IP)/RS232 control interface

l Reliable power-off main circuit direct function

l Adopting dual power redundancy design to improve equipment stability

l Convenient monitoring function

Diagram 

Technical Specifications

1. Digital audio input impedance 110 Ω

2. Digital audio output impedance 110 Ω

3. Operating frequency 20Hz~20KHz

4. Audio signal-to-noise ratio ≥ 95dB

5. Audio frequency response ≤± 0.01dB

6. Audio distortion ≤ 0.01%

7. Audio stereo separation ≥ 95dB

8. The level difference between the left and right audio is ≤ 0.01dB

9. Correspondence between Analog and Digital Levels: 0dBu Analog Audio Signal corresponds to -24dBFS Digital Audio Signal

10. Power supply voltage AC100V~AC265V/47Hz~63Hz (dual channel)

Physical Specifications

1. Chassis standard 19 inches

2. Chassis size 1U (440mm × 300mm × 44mm)

3. The total weight of the machine is 2.2Kg

4. Operating environment temperature -10 ℃~+50 ℃

5. Relative humidity ＜95%

6. Altitude ＜4500m

Note:

Customizable analog-to-digital mixed input channel switch, with up to 8 input XLR ports, forming 4 audio inputs.