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© 1999 Directed Electronics, Inc
1. RCA INPUT JACKS - accepts line-
level outputs from head units or
signal sources at voltages from
200 mV to 8 volts. High-grade
shielded or twisted pair RCA cables
are recommended for this input.
2. GAIN ADJUSTMENT - controls the
gain (input sensitivity) of the
amplifier.
3. CROSSOVER SELECTION SWITCH -
controls the type of filter for the on-
board active crossover. LPF setting
is for low-pass (subwoofer) output
frequencies, HPF is for high-pass
(mid-bass/midrange) outputs.
FLAT is used for full-range or mixed
stereo/mono applications.
4. LED INDICATOR - the green Power
LED lights to indicate normal opera-
tion. The green LED will shut off to
indicate amp shutdown due to
short circuit, DC offset, or over-
current conditions detected by on-
board protection circuits. Thermal
protection is also indicated by the
green LED shutting off.
5. CROSSOVER FREQUENCY- controls
the frequency range of the ampli-
fier.
6. BASS EQ - this switch activates an
8 dB bass boost circuit. Use as
necessary for low frequency
enhancement.
AMPLIFIER CONTROLS
Refer to Figure 2 for details.
FIGURE 2—AMPLIFIER CONTROLS