Clarion APX640.4 User Manual
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Owner’s Manual
DESCRIPTION
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Owner’s Manual
DESCRIPTION
Clarion has crafted its car audio amplifier to fit a variety of system configura-
tions. The following is a list of features:
• Full frequency response with low distortion and exceptional
signal-to-noise performance.
• Advanced circuitry design features bridgeable outputs for use in a
variety of applications.
• Independent electronic crossovers, each with a 12dB (12/24dB - DPX1001.1)
per octave slope and full adjustment range from 50Hz to 5.8KHz, (50Hz to
580Hz - DPX1001.1) to aid in audio system design.
• Bass boost circuit to reinforce low frequency signals that may be lost
due to subwoofer box design.
• Adjustable input level controls with ground loop isolation, accepting a
wide range of input signals.
• Remote turn-on with “soft start” muting to prevent turn-on “thump”.
• Protection circuits for overheating and speaker shorts.
• 2-ohm load capable to drive a variety of speaker systems.
• Gold-plated input/output connectors and an external automotive- type
fuse.
• Aluminum heat sink for efficient heat dissipation.
• Low profile, compact size to accommodate space limitation.
TABLE OF CONTENTS
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation, Mounting/Wiring Precautions . . . . . . . . . . . . . . . . . 4
Input Connections and Audio Control . . . . . . . . . . . . . . . . . . . . 5-8
Connections for Power and Speakers . . . . . . . . . . . . . . . . . . . . . 9-10
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-14
Setting the Gain, Crossover/Bass Boost . . . . . . . . . . . . . . . . . . . 15
Final System Checks, Troubleshooting . . . . . . . . . . . . . . . . . . . . 16
Product Specs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
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