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Shure Incorporated
31/34
RF Output Power
10
mW E.I.R.P. max
Operating Temperature Range
-18°C (0°F) to 57°C (135°F)
Note: Battery characteristics may limit this range.
Storage Temperature Range
-29°C (-20°F) to 74°C (165°F)
Polarity
Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) pro
duces positive voltage on pin 2 (with respect to pin 3 of lowimpedance output) and the tip of the high im
pedance 1/4-inch output.
Battery Life
Up to 16
hours
Channel Count
4
typical ,
Up to 8
maximum
Audio Output
Configuration
XLR Output
Impedance balanced
6.35 mm (1/4") output
Impedance balanced
Impedance
XLR Output
100
Ω
6.35 mm (1/4") output
100
Ω
(50
Ω
, Unbalanced)
Maximum Audio Output Level
XLR connector (
into 600 Ω load
)
+1
dBV
6.35 mm (1/4") connector (
into 3 kΩ load
)
+8.5
dBV