When comparing AKG K391 NC vs Brainwavz Delta, 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 Brainwavz Delta is ranked 83rd. 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 Punchy bass, warm mids and clear treble
These earphones produce a punchy sound with a good level of detail. The bass is not overpowering, but instead is fast and controlled with good depth. The mids sound natural, while the highs sound airy without getting harsh. These should sound good for all genres of music.
Pro Superior build quality
For a $20 pair of earphones, these are built incredibly well. The earpieces are made out of metal which makes them quite durable and resistant to damage. The cables are soft and flexible, and shouldn't break easily.
Pro Frustration free packaging
It's easy to unpack the Delta. Just open the box and there they are.
Pro Inline mic
This set can be used for talking on the phone.
Pro Lots of tips
These come with 3 sets of silicon tips and 1 set of foam tips. The big selection of tips play a role in the notoriously comfortable fit provided by these buds.
Pro No microphonics
Most earbuds have microphonics, where the movement of attached wires can cause unwanted noise that can drown out music.Surprisingly, these buds have no microphonics whatsoever.
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 Y-splitter is quite large and bulky
The Y-splitter can be an annoyance, as it is quite large and bulky. It can pull down on the earpieces and cause them to fall out of your ears, especially when you are on the move.