6
About the Control Panel
Combination Input Jack (
1
)
This jack is used to connect any audio source to the mixer, such as microphones, guitars, keyboards,
drum machines, CD players, etc. This mono jack will accept either 1/4” (balanced or unbalanced)
plugs or XLR-type plugs.
Pad Switch (
2
)
This switch will lower the input gain by 16 db when depressed. It is used to prevent this channel from
distorting when using a line level input.
Channel One Volume (
3
)
This control is used to adjust the output for channel one. This control will only affect the output level
for the Combination Input Jack (
1
).
Line Input Jack(
4
)
This is a 1/4” balanced/unbalanced line level input that can be used for connecting a mixer, or other
line level instrument, to the speaker system.
Channel Two Volume (
5
)
This control will adjust the output level for channel two. This control will only affect the output level for
the Line Input (
4
).
Mic In Jack (
6
)
This jack can be used to connect a microphone that has a 1/8” plug such as a computer microphone.
This jack has phantom power for microphones that require it.
Channel Three Volume (
7
)
This control will adjust the output level for the Mic In Jack (
6
), the Aux Line In Jack (
9
), and the RCA
Input Jacks (
8
).
RCA Input Jacks (
8
)
These jacks are used to connect any audio device that uses the RCA-type plugs. Note: There are
left and right inputs which are automatically mixed to a mono output.
Aux Line In Jack (
9
)
This jack accepts a stereo (tip/ring/sleve) 1/8” plug. This should be used to connect a device with a
line level output such as a CD player or computer.
Treble Control (
0
)
This control is used to adjust the amount of high frequencies applied to the overall output of the
speaker system.
Mid Control (
A
)
This control is used to adjust the amount of mid frequencies applied to the overall output of the
speaker system.
Bass Control (
B
)
This control is used to adjust the amount of low frequencies applied to the overall output of the
speaker system.
Power Switch (
C
)
This switch is used to apply AC power to the speaker system.
AC Input Jack (
D
)
This jack is used to connect AC power to the Airplay AP15A speaker system.