Shure Incorporated
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Weight
SM58 267 g (9.4 oz.) without batteries
BETA 58 221 g (7.8 oz.) without batteries
SM86 275 g (9.1 oz.) without batteries
BETA 87A 264 g (9.3 oz.) without batteries
Housing
Molded Plastic
Power Requirements
3.7 V Rechargeable Li-Ion
RF Output Power
10
mW E.I.R.P. max
Maximum Input Level
SM58 146 dB SPL
BETA 58 147 dB SPL
SM86 143 dB SPL
BETA 87A 147 dB SPL
Dimensions
42 x 197 x 163 mm (1.7 x 7.8 x 6.4 in.), H x W x D
Weight
907.2 g
(32 oz.) without batteries
Housing
steel
Power Requirements
14 to 18 V DC (Tip positive with respect to ring), 550 mA
Spurious Rejection
>35 dB, typical
Gain Adjustment Range
-18 to 42 dB
in 1 dB steps