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Crossover Control
Where you set the crossover is very subjective and can be fine tuned to match your listening preference or
speaker requirement. If the amplifier is driving small speakers (crossover set to HI PASS) this will eliminate the low
frequencies from damaging the high frequency speaker. If the amplifier is driving subwoofers (crossover set to LO
PASS). These are only guidelines because setting the right frequency depends on the listeners preferences. What
sounds good to one may not sound good to another. The following guidelines should give you a good understand-
ing for working with our amplifiers.
HI PASS
When using the amplifier to drive high and midrange speakers you will need to set the switch to
H
H
I
I
P
P
A
A
S
S
S
S
. This
activates the 12dB@80Hz high pass crossover and filters out low frequencies.
LO PASS
When using the amplifier to drive woofers the switch will need to be set to
L
L
O
O
P
P
A
A
S
S
S
S
.
.
This activates the 12 dB
@80Hz low pass crossover and filters out upper frequencies.
Bass Boost
The BASS BOOST control is designed to give you increased output at 40 Hz. The setting for this control is subjec-
tive, however, if you turn it up, you must go back and adjust the gain control to avoid clipping the amplifier.
Depending on the limits of the system or the limits of the woofers the BassBoost Control will give your system
that extra kick. It will provide up to 12 dB of boost @ 40 Hz, which will more than make your system
POUND!
GAIN CONTROLS
Remember, the gain control is not a volume control, it matches the output of the head unit to the input level of
the amplifier and must be adjusted properly for best performance. All the way up or down is not necessarily the
best. Turn the head unit up to about 3/4 volume. (eg. If the head unit goes to 30, turn it to 25.) Next, turn (clock-
wise) the gain on the amplifier up slowly until you can hear audible distortion, then turn it down just a little. Adjust
AMP 1 first, then proceed to AMP 2 if applicable. AMP 2 should be adjusted with the same process. If using the
amplifier to power subwoofers and the Bass Boost is adjusted, the gain must be re-adjusted to insure the amplifier
is not clipping.
KX100.2 & KX200.4 Technical Manual
Version 2.0
Page 10
Adjusting Amplifier Controls cont.