These are well-built earphones with a good sound. The earpieces are made out of metal which is quite rare in this price range. The sound has good punch with decent clarity, so you should get a good listening experience with these earphones.
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Pros
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 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.