Details:

24V version: use 2 sets of AC20V~25V power supply, [use 7824, 24V relay]

This board consists of 2 independent speaker protection boards, It can be used for power amplifiers with separate power supply for left and right channels.

When the left and right channels are completely separated, two sets of AC power supply; one set of AC power supply can also be used.

When used for a two-channel integrated power amplifier, the AC power supply can be connected in parallel, and a group of power supplies can be used for power supply.

UPC1237H is the core protection circuit, with power-on delay, power-off momentary interruption, and high midpoint protection.

Use 16A high current OMRON high reliability relay.

PCB size: 109*61MM

Package list:

1 × Assemble Speaker Protection Board