When comparing AKG K391 NC vs Sennheiser HD 201, the Slant community recommends AKG K391 NC for most people. In the question“What are the best headphones?” AKG K391 NC is ranked 61st while Sennheiser HD 201 is ranked 166th. The most important reason people chose AKG K391 NC is:
The accessories included are all very useful. You get two 3.5mm headphone cables, a USB charging cable, silicone ear tips, a travel pouch and an airplane adapter.
Specs
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Pros
Pro Good accessory bundle
The accessories included are all very useful. You get two 3.5mm headphone cables, a USB charging cable, silicone ear tips, a travel pouch and an airplane adapter.
Pro The headphone cable can be detached from the control module
You can easily replace the 3.5mm cable should it get damaged. You can detach the 3.5mm cable from the control module which is very convenient. Other noise cancelling modules have fixed cables, so you’ll have to replace the headphones should the cable get damaged.
Pro Integrated microphone
You can take calls with these headphones on. A microphone is integrated into the remote which makes answering calls fast and convenient.
Pro Decent active noise cancelling
A good amount of noise will be blocked from mixing in with your music. Loud, low-pitched sounds may still be clearly heard though
Pro Compact noise cancelling module
You aren’t likely to have issues using these on the go. Most active noise cancelling in-ear headphones have large control modules, while the K391NC has a fairly compact and light module. You can easily use these headphones while walking and comfortably enjoy active noise cancelling with your music.
Pro Fairly detailed and rich sound
The highs are quite detailed, yet do not get harsh. The mids are slightly forward, so vocals and instruments can easily be heard. The bass is not very powerful but is tight, so you’ll get decent punch from your music.
Pro Ample padding on the ear pads make these comfortable to use
Both the ear pads and headband have a good amount of foam in them, which results in adequate cushioning. They're quite comfortable even if you've been using them for several hours straight.
Pro Good detail on the highs and mids
The sound is fairly balanced and can work well with most music genres. The highs and mids have good presence. Although they are not that clear, there is still an acceptable level of detail to them. The bass is not impactful but it does have some depth and helps give a fuller feel to the overall sound signature.
Pro Lightweight
These are actually pretty light weight for over the ear headphones. The HD 201 will not cause unnecessary strain to your neck, even if worn continuously for extended periods.
Cons
Con Limited inline controls
The inline remote only allows you to play, pause, and skip tracks. You can’t control volume levels though.
Con Does not effectively block outside noise
Despite the closed back design, there is still a fair amount of noise that can mix with the music . This can have a negative impact to your listening experience, especially when you are in a noisy environment.
Con Build quality feels flimsy
The HD 201 has a lot of flex and also tends to make rattling noises when held or moved. This can be attributed to the cheap plastic used in the build.
Con Can get warm around the ears and on the head
The synthetic leather on the ear pads and head band prevents airflow around the ears. This causes warmth to build-up quickly.
Con Very long, non-removable cable
The cable also easily tangles and can make the headphones difficult to store/organize.