Clarion APA4203 User Manual

OPERATION/INSTALLATION MANUAL
INTRODUCTION
Whether you’ve purchased a Clarion APA4203 or APA4162 4-channel car
audio amplifier, you’ve selected one of the finest mobile products on the
market today. The APA4203 puts out 50 watts of continuous power into a
4-ohm load and delivers 75 watts (typical) into a 2-ohm load. The APA4162
is rated at 40 watts of continuous power or 65 watts (typical) for the same
loads. Both models come with the following features:
♦ Full frequency response with low distortion and exceptional signal-to-
noise performance
♦ Advanced circuit design features bridgeable and mixed-mode operation
for use in a variety of 4-, 3-, or 2-channel systems
♦ Independent front/rear, LP (low-pass)/HP (high-pass) electronic
crossovers each with a 12 dB per octave slope and full adjustment
range (from 50 to 200 Hz) to aid in audio system design
♦ Variable bass extender circuit to reinforce low frequency signals that
may be lost due to box design
♦ Non-fade summed-stereo outputs (on APA4203) for system expansion
♦ Ground loop isolation inputs with adjustable input level controls to
accept a wide range of input signals (from 200 mV to 5 V)
♦ Remote turn-on with “soft-start” muting to prevent turn-on “thump”
♦ Regulated MOSFET power supply with low AM RFI and protection
circuits for overheating and speaker shorts
♦ 2-oh m load capability to drive a variety of speaker systems
♦ Gold-plated input/output connectors and an external automotive-type fuse
♦ Aluminum heat sink for efficient dissipation of heat
In order to start enjoying your new Clarion 4-channel car audio amplifier
as soon as possible, please read the remaining pages to plan your
installation. When you’re finished, fill out and send in the enclosed
warranty card to protect your purchase and to aid us in any service-related
questions. Also, save your original bill of sale as a proof of purchase.
Introduction ♦ 3

Clarion APA4203 Specifications

General

Brand	Clarion
Model	APA4203
Category	Car Amplifier
Language	English