Connect the of the RCA cable to Pin 13 (System Ground) or Pin 15 (Audio Ground). ⚡ Important Repair Warnings
Pin 14 outputs a hot +18V DC rail directly from the subwoofer. Shorting this pin to any audio input or logic pin will permanently fry the subwoofer's pre-amp circuitry. logitech z5500 wiring diagram exclusive
(On/Off) and Pin 12 (Mute) directly to the Pin 13 (Ground) line to un-mute the amplifier chipsets. Steps for Audio Input Connection Connect the of the RCA cable to Pin
Ensure that Pin 13 is securely connected to the negative terminal of your power circuit to prevent line hum and pop noises. logitech z5500 wiring diagram exclusive
Once the amplifier is powered on, you can feed standard line-level audio signals into it: