S UL653
Weight: kg


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Foldable, closed-back professional headphones with S-Logic™ Natural Surround Sound. MU Metal shielding for safer hearing and reduced radiation. Two detachable cables with gold plated jacks and adaptor. Accessories and free demo-CD included.

The PROline 650 is based on the legendary HFI-650, using the same high quality gold-plated drivers. They offer the listener an enhanced 3D image with even more clarity. Because of the headphones closed construction, external noise is suppressed. An additional feature enables you to fold these headphones for easy transportation and compact storage.

S-Logic™ Natural Surround Sound
Unlike conventional headphones where sound enters your ears from two distinct points, you’re immediately enveloped in a 3D environment. Sound is no longer locked in, but appears broad and detached. Directions and distances can be heard and perceived. Low-end bass sounds tight and punchy, high-end trebles are detailed without being too bright and mid-range notes are full and solid.

Safer Hearing
The PROline 650 is very easy on the ears. The S-Logic™ Natural Surround Sound allows up to 40% lower db output (3-4db) providing hours of fatigue free listening and greatly reduces the risk of hearing problems in the future.
  • S-Logic™ Natural Surround Sound System
  • Dynamic principle
  • Frequency range : 10Hz – 25kHz
  • Impedance : 75 Ohm
  • Sound pressure level : 95 dB
  • MU Metal bufferboard, reduced field emissions in accordance with ULE standard
  • Driver : 40 mm gold-plated
  • Weight LE : 295g (without cord)