EM03(E40)-PT21V
JCK SOLUTIONS™
Clear Communication in Noise
THROAT MICROPHONE
The EM03(E40)-PT21V Throat Microphone is designed for reliable communication in high-noise and high-stress environments. Its advanced microphone technology captures and transmits even whispered commands, while the throat microphone design allows comfortable use with gas masks, respirators, ballistic helmets, hazmat suits, and other protective gear.
Product Features

✔ IP56 Waterproof Protection
✔ Screw-On Acoustic Tube
✔ Large Round PTT Button
Reliable Communication Under Protective Gear
Designed for military, law enforcement, firefighting, hazmat operations, tactical teams, and other high-noise or protective-equipment applications where clear communication and flexible PTT control are essential.
Product
The EM03(E40)-PT21V captures voice vibrations at the throat, allowing users to communicate with minimal voice projection in demanding environments. Its design supports communication while wearing protective equipment, making it suitable for tactical and professional operations. The integrated in-line Push-To-Talk provides convenient control, while the remote finger Push-To-Talk offers an alternative for covert or hands-free operation.
Primary Features
- EM03(E40) Throat Microphone
The EM03(E40) captures voice vibrations through the throat and supports whispered voice transmission, while its design allows use with gas masks, respirators, ballistic helmets, hazmat suits, and other protective equipment. - PT21V Push-To-Talk
The PT21V provides convenient in-line Push-To-Talk operation and supports a remote finger Push-To-Talk for covert or hands-free communication.
Specifications
- Microphone Acoustics
- Sensitivity : -45±3dB
- Impedance : 2.2K Ohm
- Speaker Acoustics
- Speaker Diameter : Φ6.8*3.8mm
- Impedance : 13.6~18.4Ohm
- Output Level : 85dB±5dB
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