Frequency Response: ± 1dB from 20Hz to 300Hz
Signal to Noise Ratio: >90dB
Low Pass Crossover: 18dB per Octave
Subsonic Filter: 12dB per Octave
Low Pass Crossover Range: 30Hz to 300Hz
Subsonic Crossover Range: 10Hz to 55Hz
Bass Boost @ 45Hz: 0 to +18dB
Low Level Input Range: 200 millivolts to 8 volts
Lowest Recommend Load: 2 ohm
Typical Eciency: 70%
Damping Factor: Greater than 200
SD600.1 SPECIFICATIONS
Frequency Response: ± 1dB from 20Hz to 300Hz
Signal to Noise Ratio: >90dB
Low Pass Crossover: 18dB per Octave
Subsonic Filter: 12dB per Octave
Low Pass Crossover Range: 30Hz to 300Hz
Subsonic Crossover Range: 10Hz to 55Hz
Bass Boost @ 45Hz: 0 to +18dB
Low Level Input Range: 200 millivolts to 8 volts
Lowest Recommend Load: 1 ohm
Typical Eciency: 70%
Damping Factor: Greater than 200
Amplier Owner’s Manual
RMS Power 14.4Vdc ≤ 1% THD 200 x 1 @ 4 ohm
300 x 1 @ 2 ohm
Dynamic Power 14.4Vdc >1% THD 300 x 1 @ 4 ohm
400 x 1 @ 2 ohm
Recommended Fuse Size: 30 amp
Power/Ground Wire Size: 8 Gauge
Dimensions (Includes Mounting Feet): 7.24” L x 6.93” W x 2.0” H
184mm L x 176mm W x 51mm H
Dimensions (Includes Terminals): 7.36” L x 6.93” W x 2.0” H
187mm L x 176mm W x 51mm H
RMS Power 14.4Vdc ≤ 1% THD 400 x 1 @ 2 ohm
600 x 1 @ 1 ohm
Dynamic Power 14.4Vdc >1% THD 600 x 1 @ 2 ohm
800 x 1 @ 1 ohm
Recommended Fuse Size: 60 amp
Power/Ground Wire Size: 4 Gauge
Dimensions (Includes Mounting Feet): 10.0” L x 6.93” W x 2.0” H
254mm L x 176mm W x 51mm H
Dimensions (Includes Terminals): 10.12” L x 6.93” W x 2.0” H
257mm L x 176mm W x 51mm H
SD500.4 SPECIFICATIONS
Frequency Response: ± 1dB from 20Hz to 20kHz
Signal to Noise Ratio: >100dB
High and Low Pass Crossovers: 12dB per Octave
Crossover Range: 40Hz to 400Hz
Bass Boost @ 45Hz: 0 to +18dB
Low Level Input Range: 200 millivolts to 8 volts
Lowest Recommend Load: 4 ohm Bridged or 2 ohm Stereo
Typical Eciency: 70%
Damping Factor Greater than 200
SD800.5 SPECIFICATIONS
Frequency Response: ± 1dB from 20Hz to 20kHz
Signal to Noise Ratio: >100dB
High Pass Crossovers: 12dB per Octave
Low Pass Crossover: 18dB per Octave
High Pass Crossover Range: 15Hz to 250Hz
Low Pass Crossover Range: 30Hz to 300Hz
Bass Boost @ 45Hz: 0 to +18dB
Low Level Input Range: 200 millivolts to 8 volts
Front and Rear Channels Lowest Load: 4 ohm Bridged or 2 ohm Stereo
Subwoofer Channel Lowest Load: 2 ohm
Typical Eciency: 70%
Damping Factor Greater than 200
Note: All SD ampliers operate correctly up to 14.4 volts. Do not
operate the amplier above 14.4 volts. The amplier will engage its
overvoltage protection, the result is no audio output on one or
more channels.
RMS Power 14.4Vdc ≤1% THD 75 x 4 @ 4 ohm Stereo
125 x 4 @ 2 ohm Stereo
250 x 2 @ 4 ohm Bridged
Dynamic Power 14.4Vdc >1% THD 90 x 4 @ 4 ohm Stereo
150 x 4 @ 2 ohm Stereo
300 x 2 @ 4 ohm Bridged
Recommended Fuse Size: 50 amp
Power/Ground Wire Size: 8 Gauge
Dimensions (Includes Mounting Feet): 10.0” L x 6.93” W x 2.0” H
254mm L x 176mm W x 51mm H
Dimensions (Includes Terminals): 10.63” L x 6.93” W x 2.0” H
270mm L x 176mm W x 51mm H
RMS Power 14.4Vdc ≤1% THD 75 x 4 @ 4 ohm Stereo
125 x 4 @ 2 ohm Stereo
250 x 2 @ 4 ohm Bridged
plus
200 x 1 @ 4 ohm
300 x 1 @ 2 ohm
Dynamic Power 14.4Vdc >1% THD 90 x 4 @ 4 ohm Stereo
150 x 4 @ 2 ohm Stereo
300 x 2 @ 4 ohm Bridged
plus
300 x 1 @ 4 ohm
400 x 1 @ 2 ohm
Recommended Fuse Size: 60 amp
Power/Ground Wire Size: 4 Gauge
Dimensions (Includes Mounting Feet): 11.57” L x 6.93” W x 2.0” H
294mm L x 176mm W x 51mm H
Dimensions (Includes Terminals): 12.2” L x 6.93” W x 2.0” H
310mm L x 176mm W x 51mm H
Connect preamp signal cables from the head unit to these terminals.
CROSSOVER FREQUENCY
Controls the lowpass crossover point for the speaker outputs.
BASS BOOST
Variable bass boost from 0 to +18dB @ 45Hz.
REMOTE LEVEL CONTROL
This port is for connecting the subwoofer remote level control. This allows
up to 20dB of volume adjustment. 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.
SENS
Used to reach maximum amplier power with a wide variety of headunits.
SUBSONIC CROSSOVER FREQUENCY
Controls the highpass crossover point for the speaker outputs to eliminate
extreme low frequencies.
+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.
SPEAKER OUTPUTS
Used to connect the amplier to speakers. SD600.1 minimum impedance
is 1 ohm. SD300.1 minimum impedance is 2 ohm.
REMOTE
This must be connected to switched +12V, 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.
NOTE: Visible through the plexiglass cover, a single blue power LED is located in the lower corner of all SD ampliers.
Connect preamp signal cables from headunit to these inputs. The front
AND rear inputs must be used, if only the front input is used then the rear
speaker outputs will have no output signal.
CROSSOVER FREQUENCY
Controls the crossover point for the speaker outputs.
BASS BOOST
Variable bass boost from 0 to +18dB @ 45Hz.
SENS
Used to reach maximum amplier power with a wide variety of headunits.
CONFIG
FLAT: Crossovers are turned o
HPF: High pass crossover is on
LPF: Low pass crossover is on
+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
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.
NOTE: Visible through the plexiglass cover, a single blue power LED is located in the lower corner of all SD ampliers.