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Instruction Manual
Electric connection
Battery
CAR STEREO HEAD UNIT
Chassis
ground
Chassis
ground
Auto antenna
lead
• IMPORTANT: before making
any connections, disconnect the car battery
until installation is complete to avoid possible
damage to the electrical system.
• Many car radios and
other sources have an output jack for
connecting an amplifier remote control. Connect
the output jack to the REM remote control jack.
If the radio does not have a remote turn on
function, you can connect the REM jack to an
external switch to turn the power on/off of the
amplifier.
• To minimize interference, it
is best to route the power cables in the
opposite direction from the audio cables.
• The +12V DC power cable
must be heavy gauge stranded copper cable
with thick insulation as it draws its power
directly from the positive battery terminal.
Choose a cable with a cross section of at least
10 mm2. The cross section of the earth cable
must be the same as that of the power cable.
ATTENTION: Power cables must be
connected tightly. A poor connection may result
in malfunction, interference, or distortion.
• Connect the +12V power
terminal to the battery (+) terminal. The +12 V
power cable must have a built-in fuse close to
the battery at a distance of less than 50 mm. If
there is no fuse, an accidental short circuit may
result in fire and damage to the amplifier.
Connect the fuse holder to the battery, but do
not install the fuse at this stage.
• Connect the ground
terminal directly to the negative (-) battery
terminal or to the vehicle chassis. Make sure
that all paint or other insulation is removed from
the connection, and use a self-tapping screw to
securely attach the bare ends of the wires to
the vehicle chassis. Wires should be as short
as possible.
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