References; Maintenance; More Information - Kenwood KDC-BT660U Instruction Manual

Installation/Connection
Connect external components
No Part
1
Microphone input jack (Page 14)
2
Output terminals (See the following "Connect external amplifiers via output terminals".)
Connect external amplifiers via output terminals
When connecting an external amplifier to the output terminals of this unit,
securely connect the amplifier ground wire to the car chassis to prevent
damage to the unit.
Model Output terminals
REAR:
/
FRONT:
SW:
REAR/SW: Rear/subwoofer output Tweeter/woofer output
30
ENGLISH
2-way crossover 3-way crossover
Rear output Tweeter output
Front output Mid Range output
Subwoofer output Woofer output

References

Maintenance

Cleaning the unit
Wipe off dirt on the faceplate with a dry silicone or soft cloth.
Cleaning the connector
Detach the faceplate and clean the connector gently
with a cotton swab. Be careful not to damage the
connector.
Handling discs
• Do not touch the recording surface of the disc.
• Do not stick tape etc. on the disc, or use a disc with tape stuck on it.
• Do not use any accessories for the disc.
• Clean from the center of the disc and move outward.
• Clean the disc with a dry silicone or soft cloth. Do not use any solvents.
• When removing a disc from this unit, pull it out horizontally.
• Remove burrs from the center hole and disc edge before inserting a disc.

More information

For: – Latest firmware updates and latest compatible item list
– KENWOOD original application
– Any other latest information
Visit <https://www.kenwood.com/cs/ce/>.
General
• This unit can only play the following CDs:
• For detailed information and notes about the playable audio files, visit
<https://www.kenwood.com/cs/ce/audiofile/>.
Connector (on the reverse
side of the faceplate)