Shure KCX Manual page 13

Transmitter Audio Polarity
Positive pressure on microphone diaphragm produces positive voltage on pin 2 (with respect to pin 3 of
XLR output) and the tip of the 6.35 mm (1/4-inch) output.
[1]
Actual range depends on RF signal absorption, reflection and interference Dependent on microphone type Ref. ±48 kHz
[4]
deviation with 1 kHz tone Battery characteristics may limit this range
KCX1
Maximum Audio Input Level
MIC setting
LINE setting
Gain Adjustment Range
8 dB
Input Impedance
MIC setting
LINE setting
RF Output Power
10 mW (dependent on applicable country regulations)
Dimensions
108 mm x 64 mm x 19 mm (H x W x D)
Weight
90 g (without batteries)
Housing
Molded ABS
Power Requirements
2 "AA" size alkaline or rechargeable batteries
Battery Life
up to 10 hours
KCX2
Maximum Audio Input Level
-20 dBV
Input Impedance
22 kΩ
[2]
-15 to -7 dBV
1 to 9 dBV
16 kΩ
120 kΩ
Shure Incorporated
[3]
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