Ultrasone HFI 680 Closed Back Stereo Headphones

Product Code: ULTHFI680

Availability:Out of stock

Ultrasone HFI 680 Closed Back Stereo Headphones

Product Code: ULTHFI680

Availability:Out of stock

Limited Time Offer


  • Closed-back headphones.
  • Gold-plated drivers.
  • Included S-Logic ™ Natural Surround Sound technology.
  • Wide frequency response range.
  • Optimized for studio recording projects.

Thanks to a wide, 15 Hz - 25 kHz frequency response range and professional closed-back design, Ultrasone’s HFI-680 headphones feature pristine audio output suitable for use by both performers and audio recordists. Thanks to Ultrasone’s sophisticated S-Logic ™ Natural Surround Sound Plus technology, the HFI-680 headphones are invaluable tools for discerning audio industry professionals. The HFI-680 headphones are excellent tools for both professionals and inspired amateurs.

Exclusive design and sand-grey coated.

The HFI-680 catches the eye and enjoys your ears with an extraordinary balanced, natural and detailed sound image. Experience the complete isolation of closed-back headphones and the honest sound of open ones. The high class gold-plated drivers of the HFI-680 are very sensitive and provide a maximum of transparency.


S-LogicS-LogicTM - High Profile Technologies

Ultrasone´s technologies are unique. Ultrasone invented the inimitableS-Logic™ Natural Surround Sound and Ultra Low Emission technologies. Ultrasone integrates safer hearing aspects without neglecting latest technologies. The consideration of all these aspects is fundamental for modern headphones.

S-Logic™ Natural Surround Sound Plus

Dynamic principle

Frequency range

15-25.000 Hz


75 Ohm

Sound pressure level

99 dB

MU Metal bufferboard, reduced field emissions in accordance with ULE (=Ultra Low Emission)



40 mm gold-plated


285 g (without cord)

Straight cord

(length ca 3m)

3,5/6,3 mm

Screwable gold-plated plug

  • Transportation bag
  • Demo CD
  • Instruction manual
  • Long-term availability of spare parts

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