Product Comparison: RHA MA600i vs Sennheiser Momentum

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General Specifications
Momentum (506231)
About the Product
Using RHA's aerophonic design and constructed from precision cut aluminium, the MA600i is engineered to produce high definition sound and provide effective noise isolation.
Momentum In-Ear brings elegant styling and premium performance together. An ergonomic design crafted with precision using premium materials, they exude quality while delivering exceptional sound quality. The sonic signature is pure Sennheiser Momentum – balanced, with powerful bass, smooth mid-range and extended highs.
Size & Weight
8.3 in.
4.6 in.
4.7 in.
1.8 in.
8.3 in.
6.9 in.
1.28 oz.
6.4 oz.
What customers say about "Size & Weight"
RHA MA600i Noise Isolating In-Ear Headphone
  • The earpieces (and nozzle) of these earphones are made of lightweight aircraft grade aluminum, so it definitely feels more reassuring than the traditional plastic, you won’t have to worry about these breaking any time soon.
  • The fit is great and they come with a nice hard case, multiple types and sizes of tips for all the different ears out there, and--probably most importantly--they sound great.
  • These finally filled the job of good quality sound, noise cancelling and fit under my motorcycle helmet without problem. I am considering buying the new ones, (t20) just for listening pleasure. I have purchased many headsets but these are excellent, very happy!!!
  • Definitely a bonus to have all the different ear pad things to customize the fit, which makes them more comfortable than your average headphones.
  • I'm very happy who this purchase! The sound quality is good, and the fit is very comfortable.
Sennheiser Momentum (506231) In Ear (iOS version)
  • The proper weight, good noise isolation, quality sound and no noise from your mic on the go.
  • Light weight and crisp mids, they feel really solid too. The only thing these ear buds severely lack is bass.
  • These are incredibly light. Some might think that means cheap, but really it just means your ears won't be weighed down by them for long listening sessions.
  • Earpieces were very light weight, and I also found a slit port opening at the top which I'm sure contributed to a wide airy soundstage.
  • The headphone pieces (not the silicon tips) are heavy and jut out of your ear quite a bit, causing a slight, but noticeable downward pull when in your ears
Headphone Fit
Cord Length
4.4 feet
5.12 feet
Built-In Microphone
Volume, Play/Pause, Start/End call
Volume, Play/Pause
Sound Isolating
Water Resistant
Aluminium construction, Made for iPhone, Aerophonic design, Noise isolation, Dual insulated cable
Distinctive Styling, Ergonomically Engineered, Elliptical Cable, Dynamic Transducer
What customers say about "Features"
RHA MA600i Noise Isolating In-Ear Headphone
  • Nibs and speakers don't get clogged with ear wax like some do
  • Sound quality is great (these are not bass heavy but still give a nice bassy sound for some songs) (the mids and highs are clear) (these have great performance for the price)
  • These finally filled the job of good quality sound, noise cancelling and fit under my motorcycle helmet without problem. I am considering buying the new ones, (t20) just for listening pleasure. I have purchased many headsets but these are excellent, very happy!!!
  • I am not an audiophile but these headphones sounded pretty good to me. They feel like high-end headphones the way they seal around the ears and immerse you in the sound. Noise Isolation actually works.
  • In-line remote pretty useless for Android devices.
  • For the price I expected better sound. Yes it's loud but it's just a loudness that hurts your ears. It's not accurate and rich like what I expected. I even would say some of my lower priced earphone sounded just as good or better.
Sennheiser Momentum (506231) In Ear (iOS version)
  • I'm not a base head so this is some of the best quality sound I've experienced. It's super clear and crisp.
  • Sound quality is excellent, particularly at the mid and low frequencies. Very comfortable after several hours of use.
  • Works well with my iPhone 6plus. Easy to adjust volume and change tracks while on the go.
  • The earphone case was nice. They look good. They're smaller in person than they appear in the pictures. The volume buttons work.
  • Biggest gripe was the 90 degree phone jack - very poorly designed. I don't see enough reinforced cabling for earbuds so it needs to be a thing - especially for such a big brand like Sennheiser.
  • Higher frequencies can be very harsh depending on the playback device. On an iPhone I counter this by setting the equalizer to reduce treble, which results in absolutely incredible sound, but this shouldn't be necessary.
Warranty / Certifications
Manufacturer Warranty
3 year(s)
2 year(s)
Other Information
38.95 $
99.95 $

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