UPC1237 Speaker Protection Board directly Mounted on the Chassis Reliable Performance for Hifi Amplifier DIY AC12-24V

property:

The board has power-on delay, power-off protection, DC detection, output balance detection and DC protection. DC protection function, using UPC1237 speaker protection chip, with a simple circuit, easy to manufacture. safe and reliable It is suitable for most power amplifier boards and can be mounted directly on the chassis to the store speaker seat to save space.

Working voltage is AC 12V-24V, need independent power supply.

Specifications:

Size: 68mm*37mm.

Power supply: AC 12V-24V

Chip: Speaker protection IC UPC1237, built-in block, Songle relay

Packaging includes：

1 x UPC1237 Speaker Protection Board

Note: The protection board can't work with the Digital Ampifier or BTL Circuits.

Features:

The board has power-on delay, power-off protection, DC detection, output balance detection, and DC protection. DC protection function, using UPC1237 speaker protection chip, with simple circuit, easy to manufacture, safe and reliable work. It is suitable for most power amplifier boards, and can be installed directly on the chassis with the speaker seat of the store to save space.

Working voltage is AC 12V-24V, independent power supply is required.

Specifications:

Size: 68mm*37mm.

Power supply: AC 12V-24V

Chip: speaker protection IC UPC1237 integrated block, Songle relay.

Packaging Including：