When comparing AKG K391 NC vs Bragi Dash, the Slant community recommends Bragi Dash for most people. In the question“What are the best headphones?” Bragi Dash is ranked 20th while AKG K391 NC is ranked 61st. The most important reason people chose Bragi Dash is:
The IPX7 certification means these can work even when used while swimming. Do note however that increased water pressure (like when diving) can still cause damage.
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 Water resistant
The IPX7 certification means these can work even when used while swimming. Do note however that increased water pressure (like when diving) can still cause damage.
Pro Powerful bass with smooth mids and highs
The highs and mids have good detail but are not forward or boosted. Instead, they have a smooth quality to them that makes them easy to listen to. Bass quantity is pretty high, and with good power too.
Pro Can play music off of internal memory
The Dash features 4GB of internal memory. This allows the earbuds themselves to hold up to 1000 songs, which can be played without connecting to a music player or smart phone.
Pro Earpieces are touch senstive
Users can make taps or swipes on the Bragi Dash's touch-sensitive areas on the earpieces. This can help to play or pause music, skip current track or play previous track, control volume as well as other functionality.
Pro Can connect to Bragi's fitness app
With these earbuds synced with the Bragi companion app, users can track fitness-related stats like heart rate, distance traveled and the like.
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 Mic quality is quite poor
The sound coming from the bone-conduction microphone is not very good. It sounds tinny and cuts off every now and then.
Con Bluetooth signal is not very stable
Music and calls can get choppy on a regular basis. This is more prevalent when there are other wireless devices in use within your vicinity.