Alpine Vehiclehub Pro VPA-B222 Owner's Manual page 60

Connect the car system (standard audio system, etc.).
SPEAKER INPUT
SPEAKER
Power Supply Connector
Factory System Input Terminal
Left Front (+) Speaker Input Lead (White)
Left Front (–) Speaker Input Lead (White/Red)
Right Front (+) Speaker Input Lead (Gray)
Right Front (–) Speaker Input Lead (Gray/Red)
Right Front (+) Speaker Output Lead (Gray)
• Be sure to connect the speaker input lead to the front speaker output lead. The rear speaker output lead cannot be connected.
• Be sure to disconnect all the speaker output lead of the standard speaker and system.
• If a multi-channel speaker system is connected, connect the speaker input to the mid range speaker (front). If a tweeter or woofer is connected,
sound will not be output correctly.
• Set each item in"Using the Speaker Input" (page 14).
• Refer to "Speaker Input Lead Connection" (page 51).
• Failure to connect correctly may result in damage to your standard car audio system.
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-EN
(White) SPEAKER OUTPUT
LEFT FRONT
(White/Red)
(Gray)
RIGHT FRONT
(Gray/Red)
(Gray)
(Gray/Black)
(White)
(White/Black)
(Green)
(Green/Black)
(Violet)
(Violet/Black)
Right Front (–) Speaker Output Lead (Gray/Black)
Left Front (+) Speaker Output Lead (White)
Left Front (–) Speaker Output Lead (White/Black)
Left Rear (+) Speaker Output Lead (Green)
Left Rear (–) Speaker Output Lead (Green/Black)
Right Rear (+) Speaker Output Lead (Violet)
Right Rear (–) Speaker Output Lead (Violet/Black)
LEFT FRONT
Standard Car Audio
System
RIGHT FRONT
SPEAKER (RIGHT FRONT)
SPEAKER (LEFT FRONT)
SPEAKER (LEFT REAR)
SPEAKER (RIGHT REAR)