Amplifier Owner's Manual
INPUTS
Connect preamp signal cables from headunit to these inputs.
CROSSOVER FREQUENCY
Controls the crossover point for the speaker outputs.
REMOTE MONITORING DISPLAY (RMD)
Connect optional RMD Voltage Display to this port.
GROU ND
GROUND
+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 switched +12V, usually a trigger wire coming
REMOTE
from the head unit or ignition.
PROTECT
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.
POWER
NOTE: Visible through the plexiglass cover, a single blue power LED is located in the lower corner of all SD amplifiers.
GROU ND
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2 Channel Power Amplifier
RMD
BASSBOOST
POWER
0dB
18dB
R
+ 12V
REMOTE
+ 12V
X-OVER
FREQ.
BASS
30Hz
300Hz
0dB
18dB
R
+ 12V
BASS BOOST
Variable bass boost from 0 to +18dB @ 45Hz.
SENS
Used to reach maximum amplifier power with a wide variety of headunits.
X-OVER CONFIG
FLAT: Crossovers are turned off
HPF: High pass crossover is on
LPF: Low pass crossover is on
FREQ
SENS
X OVER
LPF
HPF
40Hz
400Hz
MIN
MAX
FLAT
FUSE
L
25A
SPEAKER OUTPUTS
Used to connect the amplifier to speakers. SD200.2 minimum impedance
is 4 ohms bridged or 2 ohms stereo. Use Right + and Left - to bridge the
channels.
SUBSONIC
10Hz
55Hz
FUSE
SD200.2
INPUT
R
INPUT
L
SENS
R
MIN
MAX
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