

Hero image 0 of Koss QZ-77 Active Noise Reduction Ear Plug System, 0 of 4
Koss QZ-77 Active Noise Reduction Ear Plug System
Key item features
- 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 stereo phone element for extended frequency response 10 - 20, 000Hz
- 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
- 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
Specs
- Headphone styleIn-Ear
- FeaturesBuilt-in Microphone
- Noise control technologyActive Noise Cancellation
- WirelessN
- BrandKoss
- Rec. useCasual Listening
Current price is USD$37.41
Price when purchased online
- Free shipping
Free 15-day returns
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Columbus, 43215
Arrives between Apr 14 - Apr 17
|Sold and shipped by GREATPRICE
4.238095238095238 stars out of 5, based on 588 seller reviews(4.2)588 seller reviews
Free 15-day returns
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$44.18
+Free shippingShipping, arrives by Thu, Apr 9 to Columbus, 43215
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About this item
Product details
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 stereo phone element for extended frequency response 10 - 20, 000Hz
- 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
- 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
info:
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Specifications
Headphone style
In-Ear
Features
Built-in Microphone
Noise control technology
Active Noise Cancellation
Wireless
N
Warranty
Warranty information
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Showing 1-1 of 1 review
Jan 25, 2014
Bellaluna2648
2 out of 5 stars review
Verified Purchase
Noise reduction
Didn't lower machinery noise levels
Helpful?5Z9BL8UYLAG831369903










