| Brand | Unbranded |
|---|---|
| Compatible Brand | Universal |
| Compatible Model | Universal |
| Type | protection board |
Check the listing for details. UPC1237 AC 12-24V Speaker Protective Protection Board For DIY Amplifier Board D. Condition: New. Listed at 14.97 USD. The board has power-on delay, power-off protection, DC detection, output balance detection, and DC protection. Chip: speaker protection IC UPC1237. 1 x Speaker protection board. 20mm between two holes.