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Ultrasone HFI 2400 Open Back High Quality Stereo Headphones

Ships within 7 days

Manufacturer # HFI2400

Our Stock # ULTHFI2400

  • Open-back headphones.
  • 3-dimensional sound reproduction.
  • Gold-plated drivers.
  • Detachable cable.
  • Cushioned velvet earpads.
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Featuring a wide, 10 Hz - 25 kHz frequency response range and durable open-back design, Ultrasone’s HFI-2400 headphones provide professional-quality audio to performers and audio engineers. With 40mm gold-plated drivers and a ?” gold-plated plug, the HFI-2400 headphones can be used in conjunction with a wide range of professional audio hardware. Ultrasone’s acclaimed lineup of headphones have become indispensable tools for discerning audio professionals.

You are looking for an open-back HFI model? With the HFI-2400 goose skin feeling is assured.

These open-back headphones with Ultra Low Emission (ULE-technology) offer airy and finest 3-dimensional sound reproduction. Specifically designed detachable velvet earpads will comfort your extensive listening hours. The HFI-2400 is the only Ultrasone HFI model with detachable cable. High class gold-plated drivers, placed according to the basic principle of the S-Logic technology, provide highest sound quality.


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

Dynamic principle,


Frequency range

10-25.000 Hz


70 Ohm

Sound pressure level

94 dB

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



40 mm gold-plated


292 g (without cord)

Detachable straight cord

(length ca 3 m) with
6.3 mm gold-plated plug

Extra short straight cord

(length 0,8 m) with
3,5 mm gold-plated plug

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