Before you start
CAUTION
Many new and factory radios require a reset code when
disconnected from battery power. This is an anti-theft
feature. Before unplugging power, you must determine if
your radio/source unit requires a reset code. Check the
operation manual for your vehicle or contact the dealer.
Model
Power cable size
and fusing
HCM-400.4D
HCM-800.4D
It is critical to use the proper power
and ground cable. Select the size
listed here for your amplifier model.
HCM-1200.1D
Always use high quality copper
cable. Visit our website for multi amp
HCM-1500.1D
system cable recommendations.
HCM-3000.1D
Be sure to use the proper fuse size
for each model. Some models require
an external fuse.
Installation
Disconnect
1
negative battery
terminal
Place terminal in a secure
position so that it won't
accidentally contact the
negative battery post
Run Cables
2
Properly route power,
speaker and RCA cables
through the vehicle.
Mount Amplifier
3
Choose a mounting location
that will provide adequate air
ventilation. Mount the amplifier to
a secure surface. Do not mount
the amplifier upside down.
Chassis Ground
4
The chassis ground connection
is critical to the performance
of the amplifier. Choose a
location that is close to the
amplifier. Completely scrape
away the paint and use a nut
and bolt if possible.
DO NOT USE AN EXISTING
FACTORY BOLT!
Fuse
Cable
Negative Power
5
Connection
External 40A
4ga
External 80A
Attach the chassis ground
cable to the amplifier
External 100A
negative terminal. It is
0ga
External 150A
important to make sure this
connection is very tight.
External 300A
Remote Turn-on
6
Connection
Attach the remote turn on
wire to the amplifier remote
output of the source unit.
Positive Power
7
Connection
Attach the main power cable
to the amplifier +12V. The
cable must run directly to
the battery and be properly
fused and be very tight.
Signal Input
8
Connection
Connect the RCA cables to
the INPUT connectors. The
OUTPUT can be used to
provide input for a second
amplifier.
9
Level Control
Bare metal
Mono Block
Turn the LEVEL control completely
counter-clockwise to minimum.
10
Common System Setup
Connect the speaker cables to the speaker
output connectors. Follow the diagram below
that best fits your speaker configuration.
Recommended Setups Below
4-Channel Full Range
Mono Block
4ch - Full Range
4ch - Mixed Mono
4-Channel Mixed Mono
Mono Block
Mono
4-Channel Full Range
Positive Battery
11
Connection
4-Channel Mixed Mono
Connect the power cable to the
positive battery terminal. The
power cable must be fused
within 18 inches of the battery
terminal.
Be prepared to disarm your vehicle's alarm and
to enter your radio / source unit code.
Re-connect
12
Negative Battery
Terminal
4-Channel Full Range
Re-connect the negative
battery terminal making sure it
is securely tightened.
Need help?
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Questions and answers