Guangzhou DSPPA Audio Co., Ltd.
Tel: 020-28346138
Fax: 020-81305947

PC1021MII Main/Standby Amplifier Auto Switcher


● Can automatically detect audio amplifier failure and switch between “main amplifier” and “standby amplifier”.
● With 4 identical independent channels, each channel can support automatic detection and switching of the main/standby amplifier.
● With manual selection of main / standby amplifier.
● Support PC remote monitoring.

  • Specification

Controllable Channel Groups

4 groups

Channel Working Capacity

150V/10A (audio signal)

Amplifier Gain


Input Detection Threshold


Channel Detection Time






Package Dimensions

(L×W×H) 555×455×185

Machine Dimensions

(L×W×H) 484×320×88

Gross Weight


Net Weight


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  • Tel:+86 020 37166520
  • Address:No.1 Xiahe Rd, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China
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