▶ Four channels amplifier failure changeover.

▶ Automatically switch into standby amplifier when main amplifier fails.

▶ One standby amplifier use to backup 5 main amplifiers.

▶ Switching M/S Amplifiers automatically when one becomes fail.

▶ 5 individual channels with Auto checking & switching function.

▶ Manual switching function available.

▶ Status indicator visually for main amplifier and standby amplifier.