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Sennheiser PX 100-IIi

On-ear headphones with in-line remote and microphone

41 Reviews | 3 questions - 3 answers

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Item # 143PX1002I

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Our take on the Sennheiser PX 100-IIi

A "get 'em while they last" special buy on these classics

The Sennheiser PX 100-IIi headphones are a longtime customer and employee favorite here at Crutchfield. Their simple, lightweight design reminds me fondly of the headphones I wore everywhere back in high school. But unlike those flimsy "foamies" that distorted my Wu-Tang, Nas, and Nirvana mixtapes, these PX 100-IIi headphones have substance. They deliver surprisingly spacious, hard-hitting sound with the Spotify playlists on my phone — many featuring the same artists I was listening to back then. (You are who you are, I guess.)

Product Highlights:

  • lightweight on-the-ear design with steel-reinforced, padded headband
  • Open-Aire speaker technology mimics the acoustic properties of loudspeakers for spacious, realistic sound
    • deep, detailed bass
  • compact, folding design
  • in-line microphone and built-in 3-button remote control for use with your iPhone®
    • answer calls, turn the volume up and down, and control music playback
    • Lightning to 3.5mm headphone adapter needed for iPhone 7 and up
  • frequency response: 15-27,000 Hz
  • impedance: 32 ohms
  • 47" single-sided cable with 3.5mm stereo miniplug
  • includes carrying pouch
  • weight: 3 oz.
  • warranty: 2 years
  • Our 60-day money-back guarantee

What's in the Box:

  • Black foldable on-ear headphones (with attached 48" cord terminated by a 3.5mm connector)
  • Carrying pouch
  • Quick guide (English/ German/ French/ Italian/ Spanish/ Dutch/ Portuguese/ Japanese)

Featured Video:


Sennheiser PX 100-IIi Reviews

Average Customer Review(s):

(41 Reviews)
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Hands-on research

Features and Specs

Fit Style On-ear
Earcup Type Open
Earcup Width x Height 2" x 2"
Noise-canceling No
Bluetooth No
Mic For Taking Calls Yes
iPhone Control ---
Lightning Connector No
Android Control ---
Frequency Response 15-27k Hz
Sensitivity 114 dB
Impedance 32 Ohms
Weight 3 ounces
Cord Length 47"
1/4-inch Adapter Included No
Volume Control Yes
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research


Open-Air Design: The Sennheiser PX 100-IIi headphones feature an open on-ear design that delivers natural sound reproduction.

In-Line Remote Control: The in-line remote control and microphone are compatible with select iPods, iPhones, and iPads. Controls include volume, skip forward or backward, play, pause, accept call, reject call, end call, and engage Voice Control (Voice Control only compatible with iPhone 4, iPhone 3GS, 32GB and larger 3rd generation iPod touch, and 4th generation iPod touch). Compatible iPhone/iPods include iPhone 4, iPhone 3GS, 2nd generation iPod classic (120GB), 3rd generation iPod classic (160GB, introduced in 2009), 2nd/3rd/4th generation iPod touch, 4th/5th/6th generation iPod nano, 3rd/4th generation iPod shuffle, and 1st generation iPad.

Note: Only the in-line remote is incompatible with other iPods. Used only for listening, the PX 100-IIi headphones are compatible with any iPod, iPhone, and most other devices with a 3.5mm headphone jack.

Comfort Fit: The headphones offer a comfortable fit with padded earpads and an adjustable, padded headband.

Neodymium Magnets: The PX 100-IIi utilizes powerful neodymium magnets for stereo sound with outstanding bass performance.

Steel-Reinforced Headband: A steel-reinforced headband delivers exceptional durability.

Single-Side Cable: The PX 100-IIi headphones employ a durable single-sided cable to eliminate tangles.

Fold-and-Flip: The Sennheiser headphones collapse into a compact size when not in use.

Carrying Pouch: A convenient carrying pouch is included to protect the headphones during storage or transport.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Had Sennheiser befor and loved them and you can't beat the price [ Joe the builder  Feb 10, 2018 ]
had a pair of sennheiser headphones years ago and loved them. as age crept upon them, ear pads, wires etc. wore out. i have a closed akg phones and could use an open ear set. could not pass up this deal on a new pair, sennheiser phones for under $100...WOW! [ larry  Feb 09, 2018 ]
Incredible sale! [ Joseph  Feb 04, 2018 ]
I've used these folding headphones since they were the original PX100 with a wire to both ear cups. My old ones were getting beat up. I carry a set, always, in the glove compartment of my car and keep another at home.This is the best price I've seen in years. The last one I bought before this model cost me $75 from Amazon. I listen to Audible books on an iPod nano. This is my 6th pair [ AtlantaJim  Jan 18, 2018 ]
Had good review needed foldable head phones for travel plus great reduced price [ ROBERT J  Jan 16, 2018 ]
Great sound and even better value! [ Tom  Jan 16, 2018 ]
Price ,...Sennheiser Quality and most important buying from Crutchfield because of Their Customer Service and Support. [ LAURENCE  Jan 16, 2018 ]
Great price and always satisfied with Crutchfield purchases in the past. [ Eddy  Jan 12, 2018 ]
These will be my second pair of PX 100s. Very rugged, great sound and build quality. [ Bob  Jan 11, 2018 ]
I am very familiar with Sennheiser Headphones. I have been using Sennheiser HDR 180 for a long time. [ DHRUBA  Jan 09, 2018 ]
Great sound at a great price! I trust Crutchfield! [ LEON S  Jan 05, 2018 ]
chose this due to price savings [ Lionel  Jan 04, 2018 ]
Looking for a good light weight and portable headphone to replace my earbuds at a great price. [ James  Jan 03, 2018 ]
Price and brand quality, [ TIM  Jan 02, 2018 ]
Had them 50 years ago [ David  Jan 02, 2018 ]
Light, inexpensive, easy to use, it's Sennheiser (hopefully still a good brand) and if it gets left on the plane, well, it's not a fortune lost :-) [ Martin  Jan 01, 2018 ]
100 dollars off I purchased this same item 5 or more years ago and love it the sound quality excellent also light weight and not bulky need another pair of these just on principle saving 100 dollars and free shipping Thank You [ Kenneth  Jan 01, 2018 ]
grandkids [ Alex  Jan 01, 2018 ]
Reputation of Sennheiser. [ Charles  Jan 01, 2018 ]
Sennheiser is one of the better performance headphones on the market. All my headphones of late have been this brand and probably will continue to be so. [ MARK K  Jan 01, 2018 ]
Sennheiser makes quality sounding headphones at a reasonable price. [ Terry  Dec 31, 2017 ]
Great price and Sennheiser headphones work great. [ Michael  Dec 31, 2017 ]
Light weight, thin, over the ear (v. earbuds which fall out) and foldable (for the gym). [ John  Dec 29, 2017 ]
I had a pair of Sennheiser before that was shipped with an order once as a special offer. I really liked them even though they were not the super high end ones. They worked and sounded great. Only reason I no longer have them was because my cat chewed through the cord making them no longer usable. I had to have another pair and waited for a good deal. [ Keith  Dec 23, 2017 ]
Brand, price and remote control [ Frank  Dec 16, 2017 ]
Price value [ thomas  Dec 16, 2017 ]
Positive reviews, Sennheiser rep., cost, Crutchfield rep. [ James  Dec 11, 2017 ]
I purchased these headphones for the price and quality of sound [ Tom  Dec 10, 2017 ]
Our sons recommend Cruchfield. [ Lucille  Dec 10, 2017 ]
I wanted a set of headphones that was not completely enclosed which will be safer for having conversations while driving. [ Andrew  Dec 09, 2017 ]
Versatile, lightweight headphone at a best price. Planned uses: mobile calls/video in office/home/coffee shops in lieu of standard earbuds. Anticipate somewhat improved clarity, isolation and comfort relative to earbuds. Bonus if my music/streaming sounds good! [ Jeff  Dec 08, 2017 ]
Experience with earlier version of these earphones. I carry a set in my car at all times so I can listen to books when I have to sit and wait at dentist, doctor, anywhere. My iPod nano with books loaded is always with me. [ AtlantaJim  Dec 07, 2017 ]
Name brand and great deal [ Keith  Dec 07, 2017 ]
I have 2 pairs of the original PX-100's and they are excellent. I bought these PX-100i'sfor my 2 nephews. [ Jeffrey Jenkins  Dec 07, 2017 ]
the web [ Jose  Nov 28, 2017 ]
Looks like good quality headphones for the price. Time will tell. We'll see how they perform. [ STEVE  Nov 26, 2017 ]
Good friend can really benefit from them, also she's an Apple person [ MICHAEL  Nov 23, 2017 ]
I have owned several headsets of this model. Great sound, lightweight, and comfortable. I use for talking on the phone, conference calls, etc.This model is hard to find so I'm so glad Crutchfield had it in stock! [ Kim  Nov 22, 2017 ]
On sale, great price, good specs and free shipping! Last pair was lost. [ julian  Nov 21, 2017 ]

3 questions already asked

"Only the in-line remote is incompatible with other iPods. Used only for listening, the PX 100-IIi headphones are compatible with any iPod, iPhone, and most other devices with a 3.5mm headphone jack." You will find this information, and more, by clicking the "Details" tab on the headphone's main webpage and scrolling down below the "Features & Specs" table. [ Ryan  Dec 12, 2017 ]  Staff
Love this headphone. This is my third set as I use it all the time with exercise and relaxation. My first two didn't have volume control but this one has. Would purchase it again. [ Jeanine  Dec 11, 2017 ]
I have a iPhone but I was told that you need to unplug for an Android phone. [ CALVIN  Dec 08, 2017 ]