Initially designed for racing radio scanner and metal detector users, the Koss QZ99 Passive Noise Reduction Headphones feature superior isolating capabilities and secure over-the-head headband design.
The closed Pneumalite™ ear cushions an...
Reviews
4.5
6 ratings
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They are absolutely perfect for my needs.
A
Anonymous · January 1, 2026
Good value
Great for listening to podcasts or audio books while working in noisy environments. Would probably be even better paired with a headphone amp.
A
Anonymous · October 18, 2025
My second pair
I purchased the same headphones about 6 years ago, but since then I moved and can't find the box they are in. I primarily wear these while on the riding mower and plug into my mp3 player. They work exactly how I want them to.
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