The Polk Audio UltraFocus 8000 is engineered like no other headphone. Using both passive and active noise cancelling technologies and taking advantage of Polk's 40 years of patented audio innovations, UltraFocus 8000 headphones concentrate your attention on your music, screening out exterior interruptions. They boost your listening experience right out of your head with expansive dynamic response, deep bass effects and one of the widest "soundstages" of any headphone today.
The Polk's exclusive Optimized Active Tuning working in tandem with the ANC technology, achieving up to 15 dB of noise cancellation, up to 3 kHz, the UltraFocus 8000 zeros in on clear, detailed headphone performance, with no distractions. Tune out the world around you and tune right in on the kind of "soundstage" you expect in a room full of loudspeakers: wide, dynamic, deep and musical. UltraFocus 8000 is the ultimate personal portable statement of Polk's mission to spread the gospel of great sound, anywhere.