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6004
1. PWR (LED blue) - when illuminated indicates that the amplifier is on.
2. RCA Inputs (front) - accepts RCA input from a source unit, preamplifier, or equal-
izer.
3. Level Control (front) - continuously adjusts from 250mV to 5V for full power out-
put.
Low-Pass Frequency Control (front) - adjusts the frequency (50Hz–500Hz) of
the low-pass crossover.
High-Pass Frequency Control (front) - adjusts the frequency (50Hz–500Hz) of
the high-pass crossover.
4. HI Input (high level input) - Accepts 1v to 10v input from the headunit’s speaker
output. The amplifier will automatically wake-up when the input is greater than
1V.
5. Level Control (rear) - continuously adjusts from 250mV to 5V for full power out-
put.
Low-Pass Frequency Control (rear) - adjusts the frequency (50Hz–500Hz) of the
low-pass crossover.
High-Pass Frequency Control (rear) - adjusts the frequency (50Hz–500Hz) of the
high-pass crossover.
6. RCA Inputs (rear) - accepts RCA input from a source unit, preamplifier, or equal-
izer.
7. PRT (LED red) - illuminates when the PRT (Protection) function is active. Activates
to protect the amplifier when the temperature is too high, the output has a DC
offset, a short was detected on the output, or the amplifier power cables have
been improperly connected (reverse power). If the temperature, DC offset, or
short condition has cleared after approximately 10-seconds the amplifier will
automatically recover.
8. Crossover Switch (front) - activates low pass crossover, full (all pass), or high pass
crossover.
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