Interfire Audio A900.4 Stereo Amplifier User Manual


 
1
free installation.
• Four Class ''AB'' High-Current Dual Discrete Drive Stages.
• Class ''AB'' Technology MOSFET PWM Power Supply.
• Bridgeable & TRI-Mode Operation.
• Continuously Variable 12dB/Octave High Pass & 12dB
/Octave Low Pass Crossover.
• Subwoofer Variable Crossover for Deep Bass Control.
• Enhanced Bass Boost +12dB @ 50Hz.
• Silver Plated RCA, Power & Speaker Terminal.
• Soft Start & Muting.
• Overload, Thermal and Short Circuit Protection.
• Power & Protection indicator.
• Bass Level Remote Control(16.4Fit) - A1100.2 / A2200.2
Your new high fidelity bridgeable/stereo amplifier is designed to deliver maximum enjoy
ment and one year of trouble free service. Please take a few moments to read this manual
thoroughly. It will explain the features and operation of your unit and help insure trouble
authorized installer. It's your car!
• If after reading the directions you feel uncomfortable about installing the amplifier in your
car, or not equipped or competent to do so, you should have the amplifier installed by an
• Negative battery terminal must be disconnected before any electrical connections are made.
• Be sure choose a location that provides substantial ventilation for the amplifier. The most
preferred locations would be in your car's trunk, under the front seats or on the back wall
of a truck.
• The location chosen should provide at least 2" of clearance above the amplifier for adequate
ventilation.
• If the amplifier is to be mounted vertically be sure that it is in a place where adequate air
will flow along the length of its heatsink fins for cooling.
• NEVER mount the amplifier up side down, this will cause the heat to rise back into the
amplifier causing thermal shutdown or possible permanent damage.
• NEVER mount the amplifier in a location that is subject to direct sunlight or exposed to
moisture.
• Be sure to mount the amplifier to a strong, solid surface which will not give way under the
stress of a sudden stop or accident.
• Make sure that the mounting screws will not penetrate the gas tank, brake and fuel lines,
wiring or other critical parts of your car when installed.