GZRA MICRO FOUR OUTPUT CHANNEL
WIRE COLOR
GZCS 4.0BMW-CONNECT
Front left +
White
Door +++ left
Front left -
White/Black
Door --- left
Front right +
Grey
Door +++ right
Front right -
Grey/Black
Door --- right
Rear left +
Green
++ left
Rear left -
Green/Black
Woofer --- left
Rear right +
Purple
++ right
Rear right -
Purple/Black
Woofer --- right
Wiring diagram
Amplifier adjustment
Function
Instruction
Front
HPF on / recommended crossover frequency 150-200 Hz
GROUND ZERO
GmbH – Erlenweg 25 – 85658 Egmating – Germany
www.ground-zero-audio.com
info@ground-zero-audio.com
GroundZeroAudioCom
Rear
LPF on / recommended crossover frequency 150-200 Hz
Channel
selection
4CH
Input
HI
Front &
Rear
Level
1.
Set both controllers to MIN
2.
Turn up the headunit volume to max and quickly turn down
~6steps.
3.
Turn the FRONT LEVEL clockwise to a pleasant listening level
without audible distortions. We recommend a controller position
within 1/3 of the adjustment range
4.
Turn the REAR LEVEL clockwise to a pleasant listening level
without audible distortions. We recommend a controller position
within 1/3 of the adjustment range
5.
Finally in order to realize a homogeneous sound impression, the
FRONT and REAR LEVEL should be synchonized according the
listener‘s preference.
