Behind the Head (BTH) Style - No Adapter Needed
- Connect directly to portable radio with no adapter required
- Rated Intrinsically Safe with FM Approval (Approved to IS / CSA / ATEX / IECex standards)
- Marine-grade, stainless steel hardware and rugged construction
- BTH style for applications requiring hard hats or protective headgear
- PTT button conveniently located on headset ear dome
- Undercut, Comfort-Gel ear seals for maximum comfort
- Durable 6-foot extended coil cord terminated with radio-specific connector
NRR | NOISE ATTENUATION DATA | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Frequency (Hz) | 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 | |
| Attenuation (dB) | 14.1 | 21.9 | 29.4 | 32.0 | 29.7 | 35.2 | 36.2 | 38.1 | 37.4 | |
| Standard Deviation | 2.5 | 2.5 | 3.0 | 2.7 | 2.2 | 1.7 | 2.5 | 2.9 | 2.8 | |
