Ultrasone Performance 840


  • Natural Surround Sound technology
  • ULE Technology: Low radiation after ULE standard
  • MU Metal shielding
  • 40 mm Drivers with PET membrane
  • NdFeB Magnet:
  • Over-ear design
  • Closed
  • Circumaural
  • Dynamic
  • Frequency range: 10 / 25,000 Hz
  • Impedance: 32 Ohm
  • Acoustic pressure: 96 dB
  • Protein leather ear pads
  • Detachable cable
  • 3 m Cable with gold-plated 3.5 mm jack
  • Weight with cable: 342 g
  • Weight without cable: 278 g
  • Incl. 6.3 mm adapter and neoprene case
  • Matching velour ear pads: Article Nr 349609 (not included)

Further Information

Design Over-Ear
System CLosed Back
Impedance 32 Ohms
Frequency range 10 Hz – 25000 Hz
Adapter Yes
Replacable Cable Yes
6 Customer Ratings:
  • 5
  • 4
  • 3
  • 2
  • 1
4.3 / 5.0
  • sound
  • comfort
  • quality
4 written ratings Read all reviews
121E1V, 14.09.2019
I use these both in and outdoors. At first the pads proved a major nuissance, making it almost unable to enjoy the great sound.
con: the pads
pro: sound quality and design

The standard pads don't leave enough room between the ear and the surface of the drivers. After only 1-2 hours of use, my outer ear started hurting to the point that every slight shift of the headphones took away my attention. Luckily this could be easily solved by replacing the pleather pads with the velour ones they offer on Ultrasone's site. Major downside is that you have to pay for quite expensive pads just to make these headphones wearable. If you really want, i suppose you could take out the pleather pads and glue in a spacer for them to sit on.

Sound quality is crystal clear, There doesn't seem to be an overemphasis on any part though bass is definitely more present than in "studio" headphones. If you're an audio-purist you will probably think it has too much bass. If you're a bit of a basshead (house, techno, dark ambient, new wave, ...) you'll like them a lot. Big bassheads should probably look elsewhere since it doesn't feature headrattling bass explosions.

The finish of the headphones is good. They look nice and feel sturdy. No parts move that shouldn't move and they're impressively good for outdoor use.
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A different sounding Ultrasone
Dramlin, 21.12.2018
I've listened to a few different Ultrasones from the HFI, PRO, and Signature lineups. Most have a house sound with varying emphasis on bass and treble, with pulled back mids. The performance series seems to be a different darker sound where bass is still emphasized, but mids are pulled forward without the usual bright sound. The resulting sound is more rounded out for vocal music, but less ideal for electronic and other genres that benefit from a more V shaped approach.

- Overall detail is appropriate for the price point. More expensive headphones typically have more detail, and less expensive ones generally have less.
- Clarity is lacking. There is an overall muffled sound between the bass and mids that can be largely corrected with balanced cables and a good AMP, but stock sounds compressed and muffled.
- Sound stage is phenomenal. Very wide and appropriately deep.
- Bass is emphasized, but lacks a bit of extension. The bass impact and amount sounds good to my ears.
- Highs are clear and never harsh.
- Comfort is good for me. The clamp is tight, but never too much.

-Edit: Clarity is greatly improved once sound damping is added to the headphones. Once damping is added these headphones are still dark, but very clear. The sound is nice now so I'm updating my review to 4 stars.
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172 €
Including VAT; Excluding 20 € shipping
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