Concentrate on the music during your next listening session with these Ultrasone Performance Series 840 ULR PERF840 over-the-ear headphones, which utilize a 40mm PET sound transducer for quality reproduction of your favorite music with a frequency response of 10Hz - 25kHz.

• S-Logic PLUS technology
• Natural Surround Sound
• ULE technology
• MU metal shielding
• Reduced radiation according to ULE specifications