KOSS SB45 Connector Circumaural Multi-Media Headset The SB45 features a dynamic element constructed of anisotropic ferrite magnet structures the deliver high sensitivity and reduced distortion for premium sound at all volume levels. Incorporating a frequency response of 18Hz - 20,000Hz, the SB45 delivers a full-range of sound that will bring your favorite games to life. Utilizing oxygen free copper voice coils for improved signal transmission and conduction, sound comes through loud and clear. Whether you're alone or online, the SB45's sound will be so efficient that you'll hear your opponent before they even know you're there. Its large, closed ear cups surround the ear for maximum isolation so you can stay focused on saving the world or kicking a forty-yard field goal. Soft, leatherette ear cushions envelope your ears without creating pressure for long lasting comfort. Koss' Clear Voice Technology (CVT) noise canceling electret condenser microphone eliminates excessive background noise for a greater ease of use with PC voice applications, such as speech recognition. The SB45 has an adjustable headband to fit most head sizes. Built of durable plastic, the SB45's headband can stand up to the rigors of daily wear and tear for a fits-like-new feel after years of use. The SB45 also folds up for compact storage to reduce pains from your desktop clutter and to conveniently fit in your briefcase or backpack if you're gaming on the road. Specifications : Headphone : - Headphone Frequency Response: 18Hz-20KHz - Headphone THD: <0.2% - Headphone Input Impedance: 100 ohm - Headphone Sensitivity: 103dB S.P.L. at 1KHz - Connector: 3.5mm - Ear Coupling: Circumaural - Cord Length: 8 feet. Microphone : - Microphone Frequency Response: 100Hz-16KHz - Microphone Sensitivity: -56dB +/- 3dB per 1V/ 1KHz; (-36dB +/- 3dB, V/Pa)
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