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Available languages
Available languages
Setting the Unit
Bass Level Control
If the sound level is too low, even when
the volume of the car stereo used along
with this power amplifier is turned up,
turn bass level control on the front of the
power amplifier clockwise. If the sound
distorts when the volume is turned up,
turn the bass level control counter-clock-
wise.
• When using with an RCA equipped car
stereo (standard output of 500 mV), set to
the NORMAL position. When using with
an RCA equipped Pioneer car stereo with
max. output of 4 V or more, adjust level to
match the car stereo output level.
• When you want to boost bass, turn the bass
level control clockwise.
Cut Off Frequency Control
You can select a cut off frequency from
40 to 240 Hz.
Power Indicator
• Disconnect the negative (–) terminal of the battery
The power indicator lights when the
power is switched on.
• Secure the wiring with cable clamps or adhesive
• Do not route wires where they will get hot, for
To prevent damage and/or injury
• Do not ground the speaker wire directly or con-
• This unit is for vehicles with a 12-volt battery and
• If the car stereo is kept on for a long time while
• If the system remote control wire of the amplifier
Connecting the Unit
CAUTION
• Make sure that wires will not interfere with mov-
to avoid the risk of short-circuit and damage to
ing parts of the vehicle, such as the gearshift,
the unit.
handbrake or seat sliding mechanism.
• Do not shorten any wires. Otherwise the protec-
tape. To protect the wiring, wrap adhesive tape
tion circuit may fail to work when it should.
around it where they lie against metal parts.
• Never feed power to other equipment by cutting
the insulation of the power supply wire to tap
example where the heater will blow over them. If
from the wire. The current capacity of the wire
the insulation heats up, it may become damaged,
will be exceeded, causing overheating.
resulting in a short-circuit through the vehicle
• Never replace the fuse with one of greater value
body.
or rating than the original fuse. Use of an improp-
er fuse could result in overheating and smoke and
could cause damage to the product and injury
including burns.
CAUTION:
• Connect a subwoofer with a 380 W or larger nom-
nect a negative (–) lead wire for several speakers.
inal input and an impedance between 1 and 8
ohms to the amplifier. If the nominal input and
negative grounding. Before installing it in a recre-
impedance are out of the above ranges, the sub-
ational vehicle, truck or bus, check the battery
woofer may catch fire, emit smoke or become
voltage.
damaged.
• Install and route the separately sold battery wire
the engine is at rest or idling, the battery may go
as far away as possible from the speaker wires.
dead. Turn the car stereo off when the engine is at
Install and route the separately sold battery wire,
rest or idling.
ground wire, speaker wires and the amplifier as
far away as possible from the antenna, antenna
is connected to the power terminal through the
cable and tuner.
ignition switch (12 V DC), the amplifier will
• Cords for this product and those for other prod-
always be on when the ignition is on— regardless
ucts may be different colors even if they have the
of whether the car stereo is on or off. Because of
same function. When connecting this product to
this, the battery could go dead if the engine is at
another product, refer to the supplied Installation
rest or idling.
manuals of both products and connect cords that
have the same function.
Connection Diagram
Ground wire (black) [RD-223] (sold separately)
Connect to metal body or chassis.
Fuse (30 A)
Special red battery wire [RD-223] (sold separately)
After making all other connections at the amplifier,
connect the battery wire terminal of the amplifier to
the positive (+) terminal of the battery.
Fuse (30 A)
Grommet
Fuse (25 A) × 2
RCA input jack
Speaker terminal
See the "Connecting the Speaker
wires" section for speaker connec-
tion instructions.
System remote control wire (sold separately)
Connect the male terminal of this wire to the system remote control
terminal of the car stereo (SYSTEM REMOTE CONTROL). The
female terminal can be connected to the auto-antenna relay control
terminal. If the car stereo does not have a system remote control ter-
minal, connect the male terminal to the power terminal through the
ignition switch.
Car stereo with
RCA output jacks
Connecting wires with RCA
External Output
pin plugs (sold separately).
(Subwoofer output)
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