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2
I
NTRODUCTION
THANK YOU
for choosing the Infinity B4
™
System Upgrade Solution. B4 has
been designed to provide the kind of high
performance that used to require big, clumsy
enclosures, large amplifiers and complex
installation. To ensure maximum performance,
we strongly recommend that installation be
entrusted to a qualified professional. Although
these instructions explain how to install the
B4 in a general sense, they do not
show the specific installation methods for your
particular vehicle. If you feel you do not have
the necessary tools or experience, do not
attempt the installation yourself; rather, ask
your authorized Infinity car audio dealer about
professional installation options. Remember to
keep this manual and your sales receipt in a safe
place for future reference.
HEARING WARNING!
Playing loud music in a vehicle can permanently
damage your hearing, as well as hinder your
ability to hear traffic. We recommend using
low volume levels while driving. Infinity accepts
no liability for hearing loss, bodily injury or
property damage resulting from the use or
misuse of this product.
PARTS LIST
(1) Powered subwoofer
(2) Mounting feet
(4) 3mm x 18mm Screws to attach
mounting feet to sub
(4) #8 x 1" Screws to attach feet to vehicle
(1) 5m Phone cable
(1) Remote bass level/phantom control
(2) #6 x 3/4" Screw to hold remote control
(2) 5m Speaker input cables
(2) 5m RCA input cables
(1) 35 Amp fuse
(1) 25 Amp fuse
(1) Phantom setup CD
(1) Owner’s manual
(1) Warranty card
C
HOOSING A
M
OUNTING
L
OCATION
Choose a mounting location that doesn’t interfere
with cargo, fold-down rear seats or the trunk lid.
The best location is usually a corner of the trunk
or cargo area, as shown in Figures 1 and 2.
These locations, in addition to being out of the
way, will provide the best sonic reproduction in
the 60Hz to 100Hz range because the woofer
output will be “corner loaded” against the
vehicle’s walls. In any case, B4 must not
interfere with the safe operation of the vehicle.
Figure 1.
B4 in a car’s trunk.
Figure 2.
B4 in an SUV’s cargo area.
CAUTION:
Make sure mounting screws will not
puncture wiring harnesses, brake or fuel lines, or
the vehicle’s fuel tank. Some or all of these may
be located behind or under the mounting surface.
VERTICAL MOUNTING
Position B4 so that the heatsink is facing
down and the bottom of the unit is up. Align the
mounting feet as shown in Figure 3. Secure the
feet using the supplied machine screws.
Note: Place B4 (with its feet) so the
controls are easy to adjust.
Securely mount B4 to the mounting
surface with the four enclosed self-tapping screws.
Figure 3.
Vertical mounting of B4.
HORIZONTAL MOUNTING
Position B4 so that the controls are
facing down and the back of the unit is up. Align
the mounting feet as shown in Figure 4. Secure
the feet using the supplied machine screws.
Note: Place B4 (with its feet) so the
controls are easy to adjust.
Securely mount B4 to the mounting
surface using the four enclosed self-tapping screws.
Figure 4.
Horizontal mounting of B4.
M
OUNTING
B
ASS
L
INK
+4
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