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CONNECTION
REAR PANEL CONNECTIONS
Connect your microphones
to the MX422 using balanced
XLR cables. Connect the
MX422 Outputs to the next
device in your signal chain
(usually a recording device of
some kind), also via balanced
XLR cables.
For monitoring external signal
sources, connect a stereo
(Tip-Ring-Sleeve) plug to the
Monitor Input
FRONT PANEL CONNECTIONS
Connect your headphones or earphones to the MX422 front panel as shown below.
IMPORTANT NOTICE: DO NOT PLUG MONO (Tip-Sleeve) PLUGS
INTO EITHER PHONES JACK. DOING SO WILL DAMAGE THE MX422.
Carefully adjust the Phones Level control for a comfortable listening level.
5
REAR PANEL
POWER
LEFT
OUTPUT
MONITOR
INPUT
RIGHT
OUTPUT
AUX
INPUT
- 30 dB
LINE
phan
low cut
1
2
3
4
trim
INPUT
phan
low cut
trim
INPUT
phan
low cut
trim
INPUT
phan
low cut
trim
INPUT
BATTERY
SELECT
MODEL MX422
SERIAL NUMBER
12 VDC
+
-
PUSH
PUSH
PUSH
PUSH
VDC : Power input connector. Connects to the optional Rolls PS27s Power Adapter.
POWER: Button - turns the MX422 on and off .
MONITOR INPUT: 1/4
”
Tip-Ring-Sleeve jack for connection to a stereo signal source to
be monitored. This signal connects directly to the Phone Level control, and the Head-
phone Outputs.
LEFT/RIGHT OUTPUT: Balanced XLR jacks containing the main mix signal. Pin 2 is con-
fi gured
”
hot
”
, pin 3 is neutral, and pin 1 is conntected to chassis ground.
OUTPUT LEVEL (-30 dB / LINE): When pressed in, this button pads the Output signal by
30 dB.
BATTERY SELECT: This switch selects which set of battery compartments are being
used. When the switch is to the left, the left side (with the back panel facing you)
battery compatments are being used. When the switch is to the right, the right side
battery compartments are being used.
AUX INPUT: 1/4
”
Tip-Ring-Sleeve jack for connection to an auxiliary line-level stereo
signal such as the output of another mixer, AM/FM tuner, CD player, etc.
INPUTS 1 - 4: Balanced XLR jacks for connection to dynamic or condenser microphones
- or, to a balanced line-level signal.
TRIM: Adjusts the input signal gain to the corresponding channel.
PHAN 1 - 4: When pressed in, this button applies 48 volts of phantom power to the cor-
responding Input.
LOW CUT 1 - 4: When pressed in, this button reduces the low frequency (100Hz and
below) of the corresponding Input signal.
DESCRIPTION CONT.
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