Ultrasone Pro 550i Headphonessearch

Ultrasone Pro 550i Headphones

Ultrasone Pro 550i Headphones

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Closed-Back All-Rounder, More Comfortable Than Ever

From Bavarian headphone specialist Ultrasone comes the Pro 550i: an update of the highly regarded Pro 550 with a new headband for improved comfort. It features the same 50-millimeter mylar drivers, powerful bass, and precise soundstage as its predecessor, along with durable synthetic leather and broader cushioning on the headband for those extended listening sessions. S-Logic Plus technology creates a natural surround-sound effect with a reduced sound pressure level at the same perceived volume, which means less pressure on your ears and more protection for your hearing. The Pro 550i collapses neatly into the included carrying case and comes with two detachable cables: a 9.8-foot-long cable that’s best suited for home use and a 2.6-foot-long cable that’s ideal for travel.

Note: This drop is limited to 36 units.

Ultrasone Pro 550i Headphones
Ultrasone Pro 550i Headphones
Ultrasone Pro 550i Headphones


  • Ultrasone
  • Principle: Dynamic, closed
  • Driver: Mylar, 50 mm
  • Magnet: NdFeB
  • S-Logic Plus technology
  • ULE technology
  • Impedance: 64 ohms
  • Frequency range: 10 Hz–22 kHz
  • SPL: 102 dB
  • Weight without cable: 10.4 oz (295 g)


  • 2 detachable cables: 9.8 ft (3 m) coiled cable with ¼ in (6.35 mm) stereo jack, 2.6 ft (0.8 m) straight cable with ⅛ in (3.5 mm) stereo jack
  • Second pair of speed-switch velour ear pads
  • Carrying case


All orders will be shipped by Massdrop.

Estimated ship date is Aug 29, 2017 PT.

After the drop ends, payment will be collected and the group’s order will be submitted to the vendor up front, making all sales final. Check the discussion page for updates on your order.