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ULTRASONE HFI 680

Foldable, closed-back high quality headphones with very exclusive design and extraordinary sound, offering the highest standard of technologies: S-Logic™ Natural Surround Sound Plus MU Metal shielding (ULE-technology) Safer hearing

ULTRASONE HFI 680

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ULTRASONE HFI

HFI-15G
HFI-450
HFI-580
HFI-680
HFI-780
HFI-2400

TECHNICAL SPECIFICATIONS

S-Logic™ Natural Surround Sound Plus
Dynamic principle
Frequency range 15-25.000 Hz
Impedance 75 Ohm
Sound pressure level 99 dB
MU Metal bufferboard, reduced field emissions in accordance with ULE (=Ultra Low Emission) standard
Driver 40 mm gold-plated
Weight 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

TECHNOLOGIES

S-Logic™ Natural Surround Sound
S-Logic™ PLUS
ULE-Technology - MU Metal Shielding
Safer Hearing

Read more about technologies

TEST REPORTS AND PRODUCT CATALOG

Product facts sheet and product catalog

DOWNLOAD

Hints for Handling

Press Reports

Photos and Videos

AWARDS

AWARDS

ULTRASONE HFI 680

Ultrasone HFI-680 - Pure Reality

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.

Press statements

With its build quality the Ultrasone HFI 680 is a genuine investment in real music.

Hifi Test 01/2011
For: good isolation and vivid sound.

Player 2/2011
The Ultrasone wins over the listener in the first few bars of the test CD.

Videoaktiv Digital 03/2009

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Learn more about S-Logic^TM

S-Logic^{TM -}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.

» Read more about S-Logic^TM