Shure BRH441M Single-Sided Intercom Headset

The BRH441M-LC features a dynamic microphone which delivers natural, highly intelligible vocal reproduction, and includes a flip-up mute function that deactivates the boom mic when raised. The Shure 6-pin connector allows for connection to a variety of cables that are optionally available.

• Closed-back, circumaural design provides excellent 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, lightweight design with adjustable, padded headband for long wearing comfort
• Flexible boom microphone pivots 270 degrees for left or right side wear Flip-up mute function deactivates the boom microphone when raised vertically away from the mouth
• Single-side, detachable cable (sold separately) enables connection to a variety of devices
• User-replaceable cable, ear pads and windscreen provided for a long product life
• Legendary Shure durability designed under rigorous quality standards to withstand the demands of everyday, professional use

Net Weight

• 240 g (8.5 oz) (without cable)

Microphone

Microphone Type

• Dynamic

Microphone Frequency Response

• 50 Hz – 15,000 Hz

Microphone Sensitivity 

(at 1 kHz, open circuit voltage)

• -67.0 dBV/Pa (0.45 mV/Pa minimum)
• 1 Pa = 94 dB SPL

Polarity

• Positive pressure on the diaphragm produces positive voltage on Pin 1 (red wire) with respect to Pin 3 (shield).

Headphones

Headphone Frequency Range

• 15 Hz – 27,000 Hz

Headphone Sensitivity 

(at 1 kHz)

• 101 dB/mW

Headphone Impedance 

(at 1 kHz)

• 300 Ω

Transducer Type
Dynamic with neodymium magnet

Driver Size
40 mm

Maximum Input Power
1000 mW