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ELECTRICAL INTERCONNECTION
INSTALLATION INSTRUCTIONS
4
PROTECT BRIDGE
If you would like to operate two similar ampliers in the MASTER/SLAVE mode, connect both ampliers with the appropriate
enclosed cable on the PROTECT BRIDGE port of each amplier. This connection ensures in case of a malfunction or a defect
on one of the ampliers (Master or Slave), that both ampliers will run into the protection mode and shut down.
5
6
1
2
3
BEFORE CONNECTING
For the professional installation of a sound system, car audio retail stores offers appropriate wire kits. Ensure a sufcient prole section
(at least 25 mm
2
), the suitable fuse rating and the conductivity of the cables when you purchase your wiring kit. Clean and remove rust-
streaked and oxidized areas on the contact points of the battery and the ground connection. Make sure that all screws are xed tight after
the installation, because loose connections cause malfunctions, insufcient power supply or interferences.
FUSE
The inserted fuses protect the amplier from shorts and capacity overload. The standard fuse is only suitable for a 4 ohm spea-
ker load. For a 2 ohm speaker load the current consumption increases by 50% and the fuse(s) may need to be replaced by fuses
with a higher rating.
LOGO
This push button switches the logo illumination on the upper side from blue to white.
GND
Connect the GROUND terminal with a suitable contact ground point on the vehicle’s chassis. The ground wire must be as short
as possible and must be connected to a blank metallic point at the vehicle’s chassis. Ensure that this ground point has a stable
and safe electric connection to the negative “–”pole of the battery. Check this ground wire from the battery to the ground point if
possible and enforce it if required. Use a ground wire with a sufcient cross section (at least 25 mm
2
) and the same size like the
plus (+12V) power supply wire.
REM
Connect the turn-on signal (e.g. automatic antenna) or the turn-on remote signal of your head unit with the REM-terminal of the
amplier. Use therefor a suitable cable with a sufcient cross section (0,5 mm
2
). Hereby the amplier turns on or off with your
headunit.
BATT+12V
Connect the BATT+12V-terminal with the +12V pole of the vehicle’s battery. Use a suitable cable with a sufcient cross section
(at least 25 mm
2
) and install an additional in-line fuse. For safety reasons the distance between the fuseblock and the battery
should be shorter than 30 cm. Do not set in the fuse into the fuseblock until the installation is accomplished.
1 32 4 5 6
BLUE / WHITE
LOG0
50A
50A
POWER INPUT
SPEAKER OUTPUT
PROTECT
POWER
SLAVEMASTER
LP
LEVEL
BASS LEVEL
CONTROLLER
AUTO TURN ON
(ONLY IN HI LEVEL INPUT MODE)
0dB 18dB
LINE IN SLAVE IN/OUT
LEVEL
INPUT
MODE
35Hz 250Hz
L
R
MIN MAX
OFF
ON
LOW
HI
SUB
BOOST
Q-CONTROLPHASE
FREQ.
RANGE
SUB SONIC
15Hz 55Hz
GND +12VREM
FUSE
BRX1500 D
EXTENDED BASS CONTROL
WIDE NRW20Hz 80Hz
0° 180°
BALANCED
INPUT
BRX1500 D
L
R
PROTECT
BRIDGE
19


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