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PROline 550
PROline 550
PROline 2500
PROline 2500

Ultrasone of America unveiled their new PROline series. The new PROline 750, 2500, 550, and 650 headphones offer Ultrasone's patented S-Logic technology in a new, sleek design, with standard protection from EMF radiation up to 98%, detachable cables (coiled and straight), replacement pair of speed-switch ear pads, and easily replaceable drivers.

The PROline series was created for professional users with a higher degree of transparency and spatial sense due to the higher degree of ear anatomy involved. Each headphone is built with Ultrasone's S-Logic technology that utilizes decentralized transducer positioning to reflect sound off the listeners's pinna, or outer ear, creating a natural three-dimensional sensation without the use of processing. S-Logic produces a stereophonic surround sound field that is perceived to be broad, detached, and located in front of the listener, according to the company. S-Logic also reduces the risk of hearing damage by 40% as the headphone's transducers are not aimed directly at the auditory canal. Listeners perceive the same volume with sound levels at the eardrum reduced up to 40%.

PROline 750

Retailing for $399.00, these closed-back headphones use stiff Titanium-plated drivers. Using special velvet ear pads, you will have comfort for extensive working hours, combined with a maximum of isolation.

Technical specifications:

  • Foldable, closed professional headphones
  • S-Logic Natural Surround Sound
  • Frequency range 8-35.000 Hz
  • Impedance 40 Ohm
  • Sound pressure level 94 dB
  • MU Metal bufferboard, reduced field emissions in accordance with ULE standard
  • Driver 40 mm titanium-plated
  • Weight 295 g (without cord)

PROline 2500

Retailing at $399.00, the PROline 2500 uses the same stiff titanium-plated driver as the PROline 750, and with an open-beck design, will provide you with the most airy sound of any Ultrasone headphone.

Technical specifications:

  • Foldable, open-back professional headphones
  • S-Logic Natural Surround Sound
  • Frequency range 8-35.000 Hz
  • Impedance 40 Ohm
  • Sound pressure level 94 dB
  • MU Metal bufferboard, reduced field emissions in accordance with ULE standard
  • Driver 40 mm titanium-plated
  • Weight 292 g (without cord)

PROline 650

Retailing at $299.00, these headphones are rooted in the HFI-650 by using the same high class gold-plated drivers. Due to the new design, PROline 650 offers an even more open three-dimensional image with a maximum of transparency.

Technical specifications:

  • S-Logic Natural Surround Sound
  • 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)

PROline 550

Retailing at $239.00, the PROline 550 headphones are rooted in the legendary HFI-550. The 50 mm heavy duty driver produces an imposing sound intensity. Tight and powerful bass plus precise and detailed instrument place-ment is given.

Technical specifications:

  • S-Logic Natural Surround Sound
  • Frequency range 10-22.000 Hz
  • Impedance 64 Ohm
  • Sound pressure level 102 dB
  • MU Metal bufferboard, reduced field emissions in accordance with ULE standard
  • Driver 50 mm Mylar
  • Weight 295 g (without cord)
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