Наушники KOSS R 30 S

Frequency Response: 18-20,000 Hz
Dynamic element for extended frequency response
Closed leaterette ear cushions for isolation
Dual volume control oncord for convvenient level adjustment
Pivoting earcup for flexible movement
Adjustable headband with sling for best fit and improved comfort
1/8" and 1/4" stereo plugs for home nad portable useFrequency Response 18-20,000 Hz
Cord Straight, Dual Entry, 8ft
Plug 3.5 mm/6.4 mm
Impedance 60 ohms
Weight 5.0 oz.
Sensitivity 106 db SPL/1mW
Distortion <0.1%
Ear cushions closed