BRH441M

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Net Weight (without cable) BRH441M = 240 g (8.5 oz)/ BRH440M = 341 g (12.1 oz)
Cable Single-sided, detachable, unterminated, 6-conductor (1.8 m)
Microphone  
Type Dynamic (moving coil)
Polar Pattern Cardioid
Frequency Response 50 to 15,000 Hz
Output Impedance 200 Ohms
Sensitivity (@ 1 kHz, open circuit voltage) -67.0 dBV/Pa* (0.45 minimum) *1 Pa – 94 dB SPL
Polarity Positive pressure on diaphragm produces positive voltage on pin 1 (red wire) with respect to pin 3 (shield)
Headphone  
Transducer Type Dynamic, Neodymium magnet
Driver Size 40 mm
Frequency Range 15 to 27,000 Hz
Sensitivity (@ 1 kHz) 101 dB/mW
Impedance (@ 1 kHz) 300 Ohms
Maximum Input Power 1000 mW