Anti-Interference Electret Mic Capsule for Broadcast Headsets

9.7mm unidirectional electret condenser mic capsule for head-mounted broadcast headsets. Anti-interference Korea RF core delivers strong EMI/RF immunity, 70dB SNR, and 125dB SPL for clear voice pickup in RF-rich live production.

Model: ECM-B1045UBT-Y390-967-2
Dimensions: 10 × 4.5 mm
Directivity: Unidirectional
Sensitivity: -46 dB ± 3
Impedance: 5.6 kΩ
S/N Ratio: 70 dB
Max SPL: 125 dB
Operating Voltage: 5 Vdc
Frequency Response: 50 Hz ~ 20 kHz
Current Consumption: 500 μA

Request Information / Sample

Tell us your project stage. Our engineering team will respond accordingly.

Lead Time

Samples: 1–3 weeks
Mass production: 2–4 weeks

Customization

Application-based engineering support
Structure / sensitivity / acoustic tuning

MOQ

3,000–5,000 pcs
Per model / per production batch

Certification

RoHS & UL compliant
Industrial reliability assured

Overview

The ECM-B1045UBT-Y390-967-2 is a 9.7mm unidirectional electret condenser microphone capsule engineered for head-mounted broadcast headsets and voice-critical communication in electrically noisy environments. Incorporating a specialized Korea RF microphone core, it provides enhanced immunity to electromagnetic interference (EMI), ensuring stable and clear audio capture in live production and RF-rich environments.

Key Features

Superior Anti-Interference Design – Built with a Korea RF core specifically selected for excellent electromagnetic compatibility (EMC) performance.
Optimized for Head-Mounted Broadcast Headsets – Maintains clear audio quality in director headsets, live commentary, sports announcing, stage communication, and production intercom near wireless transmitters and RF sources.
High SPL Handling (125dB @ THD≤10%) – Robust enough for loud speech and close-miking without distortion.
Good Signal-to-Noise Ratio (70dB A-weighted) – Provides clear voice pick-up suitable for broadcast and voice recognition.
Wide Operating Voltage Range (1.0–10.0V DC) – Versatile power compatibility for various wired and wireless headset designs.
Stable Low Impedance Output (≤1 kΩ) – Reliable signal integrity for consistent performance.

Technical Specifications

This capsule is tailored for durability and reliability, undergoing rigorous environmental tests to perform consistently where interference resistance and voice clarity are critical.

Parameter	Specification
Model	ECM-B1045UBT-Y390-967-2
Type	Electret Condenser Microphone Capsule
Directivity	Uni-Directional
Sensitivity	-46 ±3 dB (RL=5.6kΩ, Vs=5.0V)
Signal-to-Noise Ratio	70 dB (A-weighted, Typ.)
Maximum Input SPL	125 dB (THD ≤10%)
Impedance	≤1 kΩ
Standard Operating Voltage	5.0 V DC
Operating Voltage Range	1.0 – 10.0 V DC
Current Consumption	≤500 μA
Core Type	Korea RF (Anti-Interference)

Typical Applications

Head-mounted broadcast and director headsets
Live commentary and sports announcing headsets
Stage communication and production intercom headsets
Wireless intercom and two-way radio systems
Bluetooth and RF-rich voice communication devices

Advantages

The ECM-B1045UBT-Y390-967-2 stands out for its exceptional resistance to electromagnetic interference, a common challenge in modern broadcast and wireless communication equipment. By prioritizing signal stability in noisy environments, it ensures reliable voice capture and clear communication, making it a robust and trustworthy component for head-mounted broadcast headsets and other RF-critical audio designs.