ENDPLATE DIAGRAM
4200 / 4400
1. REAR HP/LP switch
This switch is used to select whether the amplifier will provide a high
pass (switch in) or low pass (switch out) signal to the rear speakers. (see page 16).
2. REAR GAIN
Use this control to match the output level of the head unit to the rear channel of the amplifier (see page 18).
3. QBASS™ Control
Rotate clockwise to boost up to 12dB at 40Hz (see page 15).
4. FRONT GAIN
Use this control to match the output level of the head unit to the front channel of the amplifier (see page 18).
5.COOLING VENTS (see page 18).
6.SPEAKER/REMOTE CONNECTOR
After connecting remote and speaker wires, plug in the PowerLock connectors here (see pages
1 | 2 | 3 | 4 | 5 | 6 |
REAR XOVER FREQ. 
REAR | REAR |
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| FRONT | REAR | FRONT |
HP/LP | GAIN QBASS | GAIN | L - L + R + R - | L - L + R E M R + R - | ||
L REAR INPUTS | R |
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| FRONT HP FREQ. |
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FRONT INPUTS L / R
OUTPUTS L / R
7 | 8 | 9 | 10 | 11 | 12 | 13 |
7. REAR XOVER FREQ.
Use this control to adjust the rear crossover frequency from 20Hz to 5kHz (see page 16).
8. REAR INPUTS
Plug in the rear RCA leads from your head unit here (see page 14).
9. -12dB
For use with high level inputs (4V up to 12V). Push this switch in to attenuate the input by 12dB (see page 14).
10. COMBINE
Push this switch in to connect the rear channels to the front inputs (see page 18).
11. FRONT XOVER FREQ.
Use this control to adjust the front crossover frequency from 20Hz to 5kHz (see page 16).
12. FRONT INPUTS
Plug in the front RCA leads from your head unit here (see page 14).
13. L/R OUTPUTS
Left and Right RCA outputs provide summed mono low pass signal to another amplifier.
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