Massive Nano Edge E2, Manual

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18. Differential Input Switch
When powering large caliber full range speakers please switch to FULL mode. When
switching to FULL mode the filters will not function.
*For EX44 channels 3 & 4 the crossover's setup HPF setting at 10Hz would
make the output FULL RANGE and the "X1 / X10" switch should be set at "X1"
WARNING: Use the buttons and HPF knobs correctly to prevent low freq. damage
to the tweeters!
If the button is on X10 it should be = 100Hz - 3KHz
If button on X1 = 10Hz - 300Hz
This input is for connecting the optional (sold separately) external hi-voltage
rail capacitor. This will help stabilize the amplifiers' required voltage during
operation while improving fidelity and maximizing head room.
This button selects the signal source for the amplifiers input channels
depending on your head-units output configuration. When the button is in the UP
position, the amplifier will allow a separate subwoofer input signal. When the
button is DOWN position, the amplifier will only allow four channels and will
auto distribute to the mono subwoofer channel.
Depending on your setup and type of electrical system you may need to use
this differential input switch to isolate unwanted ground noise. This type of
switch typicality is only available on high performance amplifiers only.