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Cable Wiring
Signal Wire Pin
Microphone + Red 1
Microphone − Black 2
Microphone Ground Shield (uncoated) 3
Right Audio Yellow 4
Left Audio Green 5
Audio Ground White 6
Specifications
Weight
BRH440M Net (without cable) 343 g (12.1 oz.)
Packaged 0.8 kg (1.75 lbs)
BRH441M Net (without cable) 240 g (8.5 oz.)
Packaged 0.69 kg (1.52 lbs)
Cable
2.1 m, detachable, non-PVC, 6-conductor, unterminated
Environmental Conditions
Operating Temperature
18° to 60° C (0° to 140° F)
Storage Temperature -29° to 74° C (-29° to 165° F)
Relative Humidity
0 to 95%
Microphone
Type
Dynamic, Neodymium magnet, 12.5 mm
Polar Pattern
Cardioid
Frequency Response
50 to 15,000 Hz
Output Impedance
150 Ω
Sensitivity
at 1 kHz, open circuit voltage
–66.5 dBV/Pa* (0.47 mV)
*1 Pa = 94 dB SPL
Polarity
Positive pressure on diaphragm produces positive voltage on pin 1
(red wire) with respect to pin 2 (black wire).
4
651
2
3
4000 Hz
2000 Hz
1000 Hz
500 Hz
0
90°
150°
120°
150°
120°
180°
30°
60°
90°
30°
60°
-5 dB
-15 dB
-20 dB
-10 dB
0
90°
150°
120°
150°
120°
180°
30°
60°
90°
30°
60°
-5 dB
-15 dB
-20 dB
-10 dB
20
15
10
5
0
-30
-25
-20
-15
-10
-5
dB
Hz
20 100 1k 10k 15k
0.4” (1.01 cm) from sound source
1.2” (3.05 cm) from sound source
6’ (1.83 m) from sound source
Headphone
Transducer Type
Dynamic, Neodymium magnet
Driver Size
40 mm
Frequency Response
20 to 18,000 Hz
Sensitivity
@ 1 kHz
101 dB SPL/mW
Impedance
@ 1 kHz
300 Ω
Maximum Input Power
1000 mW