HS21-PT25
JCK SOLUTIONS™
Bone Conduction Helmet Communication
The HS21-PT25 combines a high-quality throat microphone with a compact round earpiece and large PT25 Push-To-Talk. Designed for reliable communication in demanding environments, it provides clear audio and convenient operation while wearing protective equipment.
Product Features
Product Features

✔ IP57 Waterproof Protection
✔ Large PT25 Push-To-Talk
✔ 3.5mm Optional Audio Jack
✔ Open-Ear Design
✔ Large-Button PT20 PTT
Helmet-Mounted Professional Communication
Ideal for industrial operations, construction, security, public safety, and other applications where communication is required while wearing helmets or protective equipment.
Product
The HS21 throat microphone captures voice vibrations directly from the throat, helping maintain communication in high-noise environments and while wearing protective equipment. The large PT25 PTT provides easy operation, while its optional 3.5mm jack supports a listen-only earpiece or an additional finger PTT.
Primary Features
- HS21 Throat Microphone Headset
High-quality throat microphone with a compact round earpiece, designed for clear communication in high-noise and demanding environments. - PT25 Large-Button PTT
Large Push-To-Talk designed for easy operation, with an optional 3.5mm jack for a listen-only earpiece or additional finger PTT.
Specifications
- Microphone Acoustics
- Sensitivity : -35±3dB
- Impedance : 2.2K Ohm
- Speaker Acoustics
- Speaker Diameter : Φ23*3.5mm
- Impedance : 27.2~36.8 Ohm
- Output Level : 80dB±5dB
