active noise cancelling protective earmuff,Astronauts use class, water proof

Specifications

protect your earphone at astronaut class, noise reduction rae 40 ~25db, sensitive: 115db/mW to 109dB/mW, waterproof IP5

 

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-02

Main Technology Features

A.N.C( Active Noise Cancelling technology)

B.N.C (Broadband Noise Cancelling technology) 

Full band Noise Cancelling technology

 

Frequency Range	20-20khz	Impedence	32Ω
Sensitivity	115db/mW	Noise Cancelling Depth	38dB
Waterproof	IP5	Rated Voltage	3V(2 AAA  1.5V)
Battery life(turn no.A.N.C)	about 95 hours	Main material	ABS/PC/S.S
Weight	220g(not including battery)	Scope of Application	Airport, Factory,  workshop, Airplanes passengers, pilots