It allows the connection of speakers to the amplifier. Note the polar of the speakers.
It connects GND wire from a connection point on the vehicle chassis.
This connects the control wire switch allows the amplifier to be turned on and off by the head unit.
It co12V DC power wire from the battery.
This is for adjusting input signal bass boost level at 45Hz, turn the controls bass boost level, at 0dB to +6dB.
6. Speaker Terminals
7. Ground Connector
8. REMOTE control
9. Power Connection
10.BASS BOOST
GB 6
GB 6
GB