Ultrasone 650 Proline Headphones, from Ultrasone

Well, let me start by saying I didn't think that I would ever find a pair of headphones that 1.) I could actually trust the phones enough to mix on them, and that 2.) they didn't fry my ears with fatigue. Ultrasone has done it. Their top of the line 650 simply blows away the traditional Sennheiser, AKG, and Sony headphones that I have used extensively in the past. The 650 is truly flat, natural, and amazingly accurate not only in the highs, but also with spectacularly accurate and true bass and low-end. The 650?s closed-ear design does a wonderfully good job at canceling out external sound, while still remaining comfortable for those long sessions. The "S-Logic" technology uses a decentralized transducer to create the sound which means, all the other headphones simply have it wrong. The Ultrasone's shoot sound at the large crest of the ear, the way your ear actually picks up sound, which is why they are the safest and truest headphone even remotely in this price range. The rest of the competition that shoots sound straight into your ear is not only inaccurate because it does not recreate the natural way sounds are hear within the ear, but they are actually damaging. Additionally the S-Logic technology maintains its flatness, neutrality, and accuracy throughout its volume range. The Ultrasones not only address the issue of direct sound which can be damaging to the ear, but also have great reduction in magnetic field, and ultra low radioation emission. IF you think cell phones are dangerous, you should read the specs on headphones. For us working engineers the greatly reduced radiation in Ultrasone headphones could actually save our life!! The standard low emission model has an approximately 50% reduction in radiation, whereas the more expensive PROline/ULE (Ultra-Low Radiation) models have a nearly 98% reduction. Sonically the difference between the standard and pro-line model is non-existent, but if you are serious about both your hearing, and not frying your brain, the PROline does it even better (although the standard model is FAR safer than any other model in my studio). Safety aside, all you have to do is trust these phones. This is truly the best set of mixing-capable head phones under $1,000 that I have ever had the pleasure of using.

PROline stands for Ultra Low Emission and means significant benefits for professional users as it is highly-developed and specially designed for professionals. The new design does not only distinguish the professional line but also allows due to more ear anatomy area a higher degree of transparency in combination with the spatial sense and understanding.

PROline technology was systematically developed for professionals as they do spend half of their lives in headphones. Most headphone drivers today convert an electric signal into an acoustical signal, producing low-frequency magnetic fields. Medical research shows that these emissions can be hazardous to our health. In response, ULTRASONE developed a special MU Metal shielding to reduce the radiation by up to 98% compared to current headphones. The patented PROline (ULE=Ultra Low Emission) technology has stood the test of international review and is recommended by technical surveillance organisations.

S-LogicTM Natural Surround Sound: Through the S-LogicTM Natural Surround Sound the usual headphone sound will be moved out of the head in the room around you. The sound is no longer locked in, but appears broad and detached. Directions and distances can be heard and perceived - it's just like being in a live concert. For this new technology additional equipment is not required. Take a pair of ULTRASONE headphones and you will be ready for the 3-dimensional sound enjoyment!

S-LogicTM Natural Surround Sound allows an up to 40% lower dB output (3-4 dB) for the same loudness sensation. This may significantly reduce the risk of hearing damage while ensuring hours of fatigue-free listening - an absolute must if you spend a lot of time in headphones.

These headphones are rooted in the legendary HFI-650 by using the same high class gold-plated drivers. Due to the new design PROline 650 offers an even more spectacular open three-dimensional image with a maximum of transparency.

Due to professional needs and requests we implemented an additional function which enables you to fold these headphones for a compact storage and easy transportation in a suitcase. Thanks to its closed construction, external noise is suppressed.

Short description: Foldable, closed-back professional headphones with S-LogicTM Natural Surround Sound, MU Metal shielding, Safer hearing, PROline Box incl. accessories Free demo-CD enclosed

PROline Box contents: Professional headphones

2 detachable cables: one straight (length 3 m), one coiled (length > 3 m) with gold-plated jacks 6,3 mm and gold-plated adapter 6,3/3,5 mm

Spare pair of speed-switch ear pads, Demo CD, Instruction manual, Transportation bag

Technical specifications: S-LogicTM Natural Surround Sound, Dynamic principle, Frequency range 10-25.000 Hz, 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 295 g (without cord)

Made in Germany

Long-term availability of spare parts