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Amplifier Owner’s Manual
SD1100.5
5 Channel Power Amplifier
FRONT, REAR AND SUB INPUTS
Connect preamp signal cables from headunit to these inputs.
SUB INPUT SWITCH
Determines which input will feed signal to the subwoofer channel.
“IN” or SUB = Use the Sub Input
“OUT” or F/R = Use the Front and Rear inputs as its signal will be summed
then sent to the sub channel of the amplifier.
HPF/LPF CROSSOVER FREQUENCY
Controls the crossover point for the speaker outputs.
SENS
Used to reach maximum amplifier power with a wide variety of headunits.
BASS BOOST
Variable bass boost from 0 to +18dB @ 45Hz.
REMOTE BASS LEVEL CONTROL (RBCF)
This port is for connecting the remote subwoofer level control. This allows up to
20dB of volume adjustment for the subwoofer channel. This is not a bass boost, it
controls the level of the low pass signal.
NOTE: This control is not compatible with the Phoenix Gold LPL44 level control.
+12V
This must be connected to the fused positive terminal (+12V) of the car’s
battery. The fuse must be located within 18 inches of the battery.
REMOTE
This must be connected to sw12V, usually a trigger wire coming
from the head unit or ignition.
GROUND
This must be connected to the negative terminal of the car’s battery or
bolted to a clean, unpainted part of the chassis of the vehicle.
REMOTE MONITORING DISPLAY (RMD)
Connect optional RMD Voltage Display to this port.
SPEAKER OUTPUTS
Used to connect the amplifier to speakers. SD1100.5’s minimum
impedance is 4 ohms bridged or 2 ohms stereo on front and rear
channels. Use the Left + and Right - to bridge the channels. Minimum
impedance is 2 ohms for the subwoofer channel and its not bridgeable.