Shure BRH440M-LC Dual-Sided Broadcast intercom Headset with Built-In Microphone
Shure BRH440M-LC Dual-Sided Broadcast intercom Headset with Built-In Microphone
Dual-sided broadcast headset delivers natural, highly-intelligible vocal. Features include deactivation of microphone when not in use, a closed-back, circumaural design, an adjustable, comfortable headband, and a 270-degree positioning range.
Features:
- Closed-back, circumaural design provides superior isolation from background noise
- Dynamic microphone delivers natural, highly intelligible vocal reproduction with cardioid polar pattern and
frequency response optimized for communication in loud environments - Ergonomic, adjustable headband with premium padding and optimal coupling force for long wearing comfort
- Flexible boom microphone pivots 270 degrees for left or right side wear and precise positioning
- Flip-up mute function deactivates the boom microphone when raised vertically away from the mouth
- Single-side Shure 6-pin connector enables connection to a variety of optionally available cables
- Legendary Shure durability designed under rigorous quality standards to withstand the demands of everyday,
professional use - Ear pads and windscreen provided for a long product life
Specifications:
- Net Weight (without cable): 341 g (12.1 oz)
- 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
