1. Koss QZ 99 - Headphones ( ear-cup )

    Koss QZ 99 - Headphones ( ear-cup )

    The QZ-99 Noise Reduction Stereophone features revolutionary Passive Noise Reduction stereophone system that isolates listener from ambient sounds. It is ideal for use with racing scanners and metal detectors. The features include volume control on earcup for easy level adjustment, Stereo/Mono...