Read JBL GTO 4060 (serv.man8) User Guide / Operation Manual online
order that we may better serve you
should you require warranty service for
your new amplifier, please retain your
original purchase receipt and register
your new JBL amplifier online at
can hinder your ability to hear traffic and
permanently damage your hearing. We
recommend listening at low or moderate
levels while driving your car. JBL accepts
no liability for hearing loss, bodily injury or
property damage resulting from the use or
misuse of this product.
JBL GTO amplifier, we strongly
recommend that installation be entrusted
to a qualified professional. Although these
instructions explain how to install GTO
amplifiers in a general sense, they do not
show specific installation methods that
may be required for your particular
vehicle. If you do not have the necessary
tools or experience, do not attempt the
installation yourself. Instead, please ask
your authorized JBL car audio dealer
about professional installation.
WARNINGS AND TIPS
Disconnect the (–) negative lead from
your vehicle’s battery.
brake lines, vacuum lines and electri-
cal wiring. Use extreme caution when
cutting or drilling in and around these
drilling any holes or installing any
screws. Remember that the screws
can extend behind the surface.
or vinyl to keep material from snagging
in a drill bit.
that of the original. Do not substitute
AND MOUNTING THE
or cargo area where the amplifier will not
be damaged by shifting cargo. Amplifier
cooling is essential for proper amplifier
operation. If the amplifier is to be installed
in an enclosed space, make sure there is
sufficient air circulation for the amplifier
to cool itself.
seat, ensure that it is clear of all moving
seat parts and does not affect the seat
adjustments. Mount the amplifier so it
is not damaged by the feet of backseat
passengers. Make sure that the amplifier
is mounted securely using nuts and bolts
or the supplied mounting screws.
dry – never mount an amplifier outside
the vehicle or in the engine compartment.
connection to the vehicle’s electrical
system in order to perform optimally.
See Figures 1 and 2 for terminal
connection locations. Please adhere
to the following instructions carefully:
Connect the amplifier’s Ground (GND)
terminal to a solid point on the vehicle’s
metal chassis, as close to the amplifier
as possible. Refer to the wire gauge chart
to determine minimum wire gauge size.
Sand away any paint from this location;
use a star- type-lock washer to secure
Connect a wire (see chart at right for
appropriate gauge) directly to the
vehicle’s positive battery terminal, and
install an appropriate fuse holder within
30cm of the battery terminal.
to the amplifier’s location, and connect it
to the amplifier’s Positive (+12V) terminal.
Be sure to use appropriate grommets
whenever routing wires through the
firewall or other sheet metal.
potential damage may result in a vehicle
fire. When you are done routing and con-
necting this wire, you may install the fuse
at the battery.
Connect the amplifier’s Remote (REM)
terminal to the source unit’s Remote Turn-
On lead using a minimum of 0.75mm
remote turn-on connection, connect the
amplifier’s (REM) terminal to the vehicle’s
Refer to the application guides on the
pages that follow. Speaker connections
should be made using a minimum of
wire runs. If your installation differs
markedly, you will need to adjust the wire
4-channel, 3-channel or bridged
2-channel operation, as shown in
Figures 3 through 5.
do not show power, remote and input
stereo operation is 2 ohms.
Minimum speaker impedance for bridged
operation is 4 ohms.
operation to drive front and rear full-range speakers.
to drive a set of full-range speakers and a subwoofer.
drive a set of components or subwoofers. Set crossovers
according to application.