600-4
model
600/4
2
© 2003 Directed Electronics, Inc
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TABLE OF CONTENTS
CONGRATULATIONS
Congratulations for choosing a Directed
Audio power amplifier from Directed
Electronics, the industry leader in high
quality automotive security and audio
equipment since 1990.
Directed Audio power amplifiers
continue to set new standards of perfor-
mance, reliability, and affordability in
the mobile electronics industry.
Featuring high-efficiency MOSFET power
supplies, flexible on-board crossovers,
and state of the art audio design,
Directed Audio power amplifiers will
excite and delight the mobile sound
enthusiast with years of high-quality
audio reproduction.
Directed Audio power amplifiers come
with a two-year limited warranty if
installed by an authorized Directed
dealer. If not installed by an authorized
dealer, Directed Audio power amplifiers
are covered by a one-year, parts-and-
labor limited warranty.
Be sure to retain your original sales
receipt and refer to the warranty section
of this guide for full details about your
coverage.
Limited Two-Year Consumer Warranty . . . . . . . . . . . . . . . . . . . . . . . . .4
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Installation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Front Panel Connections/Status LED . . . . . . . . . . . . . . . . . . . . . . . . . .8
Rear Panel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Top Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Top Panel Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Speaker Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Crossover Settings and Gain Adjustment . . . . . . . . . . . . . . . . . . . . . . .12
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
© 2003 Directed Electronics, Inc
LIMITED TWO-YEAR CONSUMER WARRANTY
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© 2003 Directed Electronics, Inc
Directed Electronics, Inc. promises to the
original purchaser, to replace this product
should it prove to be defective in workman-
ship or material under normal use, for a
period of two years from the date of
purchase by the dealer as indicated by the
date code marking of the product
PROVIDED the product was installed by an
authorized Directed dealer. During this two-
year period, there will be no charge for this
replacement PROVIDED the unit is returned
to Directed, shipping pre-paid. If the unit is
installed by anyone other than an autho-
rized Directed dealer, the warranty period
will be one year from the date of purchase
by the dealer as indicated by the date code
marking of the product. During this one-year
period there will be no charge for this
replacement PROVIDED the unit is returned
to Directed, shipping pre-paid. This warranty
is non-transferable and does not apply to
any unit that has been modified or used in a
manner contrary to its intended purpose,
and does not cover damage to the unit
caused by installation or removal of the unit.
This warranty is void if the product has been
damaged by accident or unreasonable use,
neglect, improper service or other causes
not arising out of defects in materials or
construction. ALL WARRANTIES INCLUDING
BUT NOT LIMITED TO EXPRESS
WARRANTY, IMPLIED WARRANTY,
WARRANTY OF MERCHANTABILITY,
FITNESS FOR PARTICULAR PURPOSE, AND
WARRANTY OF NON-INFRINGEMENT OF
INTELLECTUAL PROPERTY ARE EXPRESSLY
EXCLUDED TO THE MAXIMUM EXTENT
ALLOWED BY LAW, AND DIRECTED
NEITHER ASSUMES NOR AUTHORIZES
ANY PERSON TO ASSUME FOR IT ANY
LIABILITY IN CONNECTION WITH THE
SALE OF THE PRODUCT. DIRECTED HAS
ABSOLUTELY NO LIABILITY FOR ANY AND
ALL ACTS OF THIRD PARTIES INCLUDING
ITS AUTHORIZED DEALERS OR
INSTALLERS. Unit must be returned to
Directed, postage pre-paid, with: consumer’s
name, telephone number, and address,
authorized dealer’s name and address, and
product description. IN ORDER FOR THIS
WARRANTY TO BE VALID, YOUR UNIT
MUST BE SHIPPED WITH PROOF OF
INSTALLATION BY AN AUTHORIZED
DIRECTED DEALER. ALL UNITS RECEIVED
BY DIRECTED FOR WARRANTY REPAIR
WITHOUT PROOF OF DIRECTED DEALER
INSTALLATION WILL BE COVERED BY THE
LIMITED ONE-YEAR PARTS AND LABOR
WARRANTY. Note: This warranty does not
cover labor costs for the removal and rein-
stallation of the unit. BY PURCHASING
THIS PRODUCT, THE CONSUMER AGREES
AND CONSENTS THAT ALL DISPUTES
BETWEEN THE CONSUMER AND Directed
SHALL BE RESOLVED IN ACCORDANCE
WITH CALIFORNIA LAWS IN SAN DIEGO
COUNTY, CALIFORNIA.
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© 2003 Directed Electronics, Inc
High-powered car audio
systems may produce
sound pressure levels that exceed the
threshold at which hearing loss may
result.
They may also impair a driver’s ability to
hear traffic sounds or emergency vehi-
cles. Use common sense and practice
safe listening habits when listening to or
adjusting your audio system.
WARNING
FEATURES
High-speed MOSFET switching
power supply and complimentary
bipolar outputs
Four-channel architecture supports
up to six channel use
Thermal, DC offset, reverse polarity
and short circuit protection
Top-mounted controls easily
accessed for system tuning
Dual continuously variable 12 dB/
octave two-way active crossovers
Dual switchable 8 dB bass EQ func-
tion
Summed stereo full-range RCA
output jacks
Gold-plated wire terminals and RCA
connectors ensure maximum signal
transfer
Rugged one-piece extruded heat
sink finished with injection-molded
mounting feet
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