NOVER audio specific capacitance 1000UF/50V*2
UPC1237 speaker protection circuit
In 123 of three different options, 1 short 2 short 3 short circuit
.
1 are connected to a pure level after the amplifier output,
2 + level mixed output
3 with pre stage sound + output stage, the output sound better bass.
Voltage: AC24V-0-AC24V
PCB size: 155*74*50MM