Connecting To An External Amplifier - Alpine CDA-9825 Owner's Manual

Connecting to an External Amplifier

When an external amplifier is connected and the built-in
amplifier is not used, removing power from the built-in
amplifier will improve the sound quality. The power to the
internal amplifier is turned OFF by the following
procedure.
1
Press and hold the F/SETUP button for at least 3
seconds.
2
Press the f or g button to select "PWR."
3
Press the BAND/TEL. button to toggle the mode
between PWR ON and PWR OFF.
PWR OFF:
When activating the speakers, this setting can be
performed by connecting between the front and rear
pre-amplifier of the unit and the external amplifier. In
this setting, nothing is output to the speakers.
Amplifier
Amplifier
PWR ON:
The speakers are driven by the built-in amplifier.
NOTE
No sound is produced by the system when the power output is set
to OFF
Front
left
4
Press the F/SETUP button to return to normal mode.
Front
right
Rear
left
Rear
right
Speakers
SPEAKER
RIGHT FRONT
Front
right
SPEAKER
RIGHT REAR
Rear
right
SPEAKER
LEFT REAR
Rear
left
SPEAKER
Front
LEFT FRONT
left
13
-EN