Koss – QZ-77 Active Noise Reduction Ear Plug System
- Reduces harmful and annoying low frequency sounds in noisy environments
- Specialty ear cushion material forms slowly in ear canal providing a custom fit and maximum isolation
- Dynamic stereophone element for extended frequency response (10 – 20,000Hz)
- Compact design for convenient travel and portability
- Ideal for in-flight use
Koss QZ-77 Active Noise Reduction Ear Plug System
Color Silver
Size one size
Item dimensions L x W x H 25 x 25 x 25 millimeters
