User's Manual

Shure Incorporated
20/25
Supercardioid 27 dB SPL
Mini-shotgun 26 dB SPL
Signal-to-Noise Ratio
Ref. 94 dB SPL at 1 kHz
Cardioid 66 dB
Supercardioid 68 dB
Mini-shotgun 68 dB
Dynamic Range
1 kΩ load, @ 1 kHz
93 dB
Common Mode Rejection
10 to 100,000 kHz
45 dB, minimum
Clipping Level
at 1% THD
−8 dBV (0.4 V)
Polarity
3-pin
XLR
Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 of output XLR connec
tor
5-pin
XLR
Positive sound pressure on diaphragm produces positive voltage on pin 4 relative to pin 2 of output XLR connec
tor
Weight
MX405 0.054 kg (0.119 lbs)
MX410 0.068 kg (0.150 lbs)
MX415 0.07 kg (0.154 lbs)
MX400DP 0.516 kg (1.138 lbs)
MX400SMP 0.125 kg (0.275 lbs)
Logic Connections
LED
IN
Active low (≤1.0V), TTL compatible. Absolute maximum voltage: 0.7V to 50V.
LOGIC
OUT
Active low (≤1.0V), sinks up to 20mA, TTL compatible. Absolute maximum voltage: 0.7V to 50V (up to 50V
through 3kΩ).
Mute Switch Attenuation
-50 dB minimum