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Sennheiser PX 100-IIi

The first PX100 was one of the original Sennheiser mobile headphones that revolutionized portable listening, delivering sound quality previously unheard in the category. Now comes the freshly updated Sennheiser PX-100II-i model with 'built-in' iPhone / iPad microphone and Apple player controller on cord. Expect nearly the same level of audio performance that made the PX100 among the most desired smaller cans in headphone history, along with all the new features your modern on-the-go lifestyle demands.

What We Think:
It seems pretty much a no-brainer to make one of the most lauded open-back portable-use headphones ever released Apple-player compatible -- so Sennheiser has wisely done just that with the PX100-IIi model. Featuring a 'built-in' microphone plus the fashionable 3-button call control and music advance/ skip/ volume features on cord, the PX100IIi keeps basically the same clear, rich music reproduction of its non-mic edition. Naturally, the addition of mic + control housing takes a tiny hint of detail and resolution out of the upper mids and highs, but that's likely a small price to pay for the convenience of not missing that critical call when you're out & about. The PX100IIi open-back 'on-ear' earpieces offer no noise-blocking or isolation, but does allow listeners to remain aware of their surroundings, often a huge plus on hectic city streets or in situations where you don't want to be shut off from the rest of the world. The built-in Sennheiser-quality mic receives and sends your voice clearly to the recipient while the incoming call & speech definition remains clean and intelligible.The Sennheiser PX100-IIi portable iPod/iPhone headphones come in a nifty all-black matte color encasing a very lightweight aluminum headband. The headphone cord extends approximately 5 ft, the perfect length for mobile or portable listening, and terminates to a 3.5mm (1/8') 'mini' plug jack suitable for audio connection into any mobile source like MP3 players or laptops/notebooks. A Sennheiser soft-sided carrying / storage pouch is handily provided in the package. The free 2 year manufacturer's product warranty covers most any eventualities with this high-quality, well-engineered 'headset' headphone as long as your vendor receipt shows original purchase via a verified 'Sennheiser-authorized' dealer, like us here HeadRoom ~ Headphone.com since 1992!


  • Driver Type: Dynamic
  • Impedance @ 1kHz: 32 ohms
  • Sensitivity: 114 dB SPL/V
  • THD: <0.1%
  • Connector Type: 3.5mm (1/8")
  • Cable Length: 4 ft.
  • Cable Style: Straight Left-Side
  • Weight: 85g
  • Manufacturer Warranty: 2 year

Product Features:

  • Built-in microphone & Apple player music control
  • Fully folding, collapsible design for ease of transport/storage
  • Open-back earpieces allows listeners to remain aware of surroundings
  • 2-year Sennheiser manufacturer's warranty
Whats In The Box:
  • Soft-sided travel & storage pouch
  • PX 100-IIi headphone

Customer Reviews

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