active noise cancelling protective earmuff, Alternative international brand no 1, water proof
Negotiable
Min.Order:1
Shenzhen GHF Technology Co., Limited
What’s Noise
Our active noise cancelling earmuff/headphones/hearingAIDS series products combined A.N.C and P.N.C, providing the best protection and enjoyment for ears , and the perfect ANC technology solution for clients.
With our A.N.C, D.S.R and wold band noise cancelling technology, our professional earmufs will best protection for your earphones.
Model No. PP-03
Main Technology Features
A.N.C( Active Noise Cancelling technology)
D.S.R (Digital signal refinement technology)
Full band Noise Cancelling technology
Frequency Range | 20-20000khz | Impedence | 32Ω |
Sensitivity | 115db/mW | Noise Cancelling Depth | 40dB |
Waterproof | IP5 | Rated Voltage | 3V(2 AAA 1.5V) Or built in Li-battery |
Battery life(turn no.A.N.C) | about 95 hours | Main material | ABS/PC/S.S |
Weight | 380g(not including battery) | Scope of Application | Airport, Factory, workshop, Airplanes passengers, pilots |