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发表于 2004-2-7 23:56:33
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KOSS QZ-99
noise reduction stereophone
Frequency Response: 40-20,000 Hz
Passive Noise Reduction stereophone system isolates listener from ambient sounds
Ideal for use with racing scanners and metal detectors
Volume control on earcup for easy level adjustment
Stereo/Mono switch for added flexibility
Single entry, 8 foot coiled cord
Specifications Frequency Response 40-20,000 Hz
Cord Coiled, Single Entry, 8ft
Plug 3.5 mm/6.4 mm
Impedance 60 ohms
Weight 1.5 oz.
Sensitivity 102 dB SPL/1mW
Distortion <0.3%
Ear cushions closed |
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