Interfire Audio A900.4 - Manual (Page 3)

• NEVER operate the amplifier without the proper power and ground wire, 10 gauge minimum.
• NEVER operate the amplifier without proper fusing. Fuse holder must be located with in
0.5 meters from the battery. This fuse is to protect the car not the electronics. In case of a
short, the fuse will blow instead of the wire burning up. Using other than the recommended
fuse ratings at the battery and at the amplifier may cause damage to the amplifier and will
• Do not run wiring underneath or outside the car since exposure to the elements may cause
the insulation to deteriorate rapidly, resulting in short-circuits and/or intermittent operation.
• To help minimize interference, it is best to run the power cables along the opposite side
.
• Whenever wires pass through metal, rubber or plastic grommets must be used to prevent
• Whenever possible, use cable ties, mounting clamps and similar wiring aids. (available
from an electrical supply or auto parts store) Adding stress relief loops to wiring is also
• It is best to test the system before the amplifier is mounted and interior of car is reassembled.
• If the temperature inside your car reaches extreme levels(such as sitting locked up for
several hours in the hot sun or exposed to a very cold winter's day)the amplifier may go
into protection mode and shut off. Leave the unit off until the ambient temperature returns
• The amplifier operates with any vehicle using a 12 volt negative ground system. If you are
not sure of the type of electrical system in your vehicle, consult your authorized dealer or
• NEVER ground the speaker leads and NEVER allow the speaker leads to come in contact
• Remote turn on wire must be switched by the radio does not have a remote turn on or
antenna output, connect to wire that has a positive 12 volts when the key is turned to the
• Do not listen to high volumes for extended periods of time or hearing damage may occur.
2
void your warranty.
all cables should be run beneath carpets and inside trim pieces.
from the audio cables
the metal from wearing through the installation and causing a short.
advisable to prevent straining or breakage.
to normal.
qualified mechanic.
with each other. Speaker wire should be 18 gauge or larger.
accessory. If the amplifier does not turn off the battery will die.