Shure Incorporated Microflex Series Dual-Element Boundary Microphone (2 x Cardioid) MX396/C-DUAL

The Microflex® Multi-Element Boundary microphone delivers a unique and versatile tool for conference room installations.
Clean and simple in appearance, Multi-Element Boundary mics combine the coverage of multiple microphones into one small, compact package.
Polar Pattern
MX396/C-DUAL: 2 x Cardioid
Output Impedance
EIA Rated at 150 Ohms (170 Ohms actual)
Output Configuration
Active balanced
Sensitivity (at 1 kHz , open circuit voltage)
-35 dBV/Pa (18 mV)
1 Pascal=94 dB SPL
Maximum SPL (1 kHz at 1% THD, 1 kilohms load)
122 dB
Equivalent Output Noise (A-weighted)
28 dB SPL
Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz)
66 dB
Dynamic Range (1 kilohm load at 1 kHz)
94 dB
Common Mode Rejection (10 Hz to 100 kHz)
45 dB minimum
Preamplifier Output Clipping Level (1% THD)
-7 dBV (0.5 V)
Weight
Net: 0.587 kg (1.29 lbs.)
Packaged: 0.916 kg (2.02 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 3 kilohms)
Mute Switch Attenuation
-50 dB minimum
Cable
6.1 m (20 ft) attached unterminated cable with three shielded audio pairs and three shielded conductors for logic control
Environmental Conditions
Operating Temperature: -18 to 57 deg. C (0 to 135 deg. F)
Storage Temperature: -29 to 74 deg. C (-20 to 165 deg. F)
Relative Humidity: 0 to 95%
Power Requirements
MX396/C-DUAL: 48® 52 Vdc phantom, 10.0 mA