Shure Incorporated
73/75
THD+N
Microphone Input
0.04%
Headset Input
0.07%
Dynamic Range
Microphone Input , Unweighted
110
dB
Microphone Input , A-Weighted
112
dB
Headset Input , Unweighted
92
dB
Headset Input , A-Weighted
94
dB
Preamplifier Equivalent Input Noise (EIN)
−
115.8
dBV
Input Impedance
Microphone
26
kΩ
Headset
2.2
kΩ
Audio Output
Nominal Output Level
70
dB SPL
at 0.5m
Maximum Audio Output Level
Loudspeaker Output
82
dB SPL-A
at 0.5m
Headphone Output
1.7
dBV
Audio Frequency Response
Speaker Output
200
Hz
- 16
kHz
(+0.5/-10
dB
)
Headphone Output
110
Hz
- 16
kHz
(+0.5/-3
dB
)
THD+N
Loudspeaker Output
<1%
Headphone Output
<0.2%
Dynamic Range
Speaker Output , Unweighted
88
dB
(MXCIC = 92
dB
)
Speaker Output , A-Weighted
90
dB
(MXCIC = 95
dB
)
Headphone Output , Unweighted
91
dB
(MXCIC = 91
dB
)
Headphone Output , A-Weighted
93
dB
(MXCIC = 93
dB
)
Load Impedance
>8
Ω