Ideal for gamers who enjoy deep bass, 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. 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. 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 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.