When comparing Symphonized NRG 3.0 vs Sennheiser CX 300 II, the Slant community recommends Sennheiser CX 300 II for most people. In the question“What are the best earbuds around $50?” Sennheiser CX 300 II is ranked 1st while Symphonized NRG 3.0 is ranked 5th. The most important reason people chose Sennheiser CX 300 II is:
The bass is the highlight of the sound signature. It goes deep and has very good punch too, yet at the same time stays fairly controlled. The mids are present and quite smooth, though not too forward. The highs do not stand out as amazing, though the level of detail is fairly good. Overall, a very good sounding pair of in-ear headphones which bass lovers will find to be quite enjoyable.
Specs
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Pros
Pro Warm and bassy sound
The bass output of the NRG 3.0 is quite powerful and deep. Bass-heavy tracks will sound full and will have good punch. The mids are on the warm and smooth side. While not really forward, the vocals have good body and presence. The highs are recessed compared to the other frequencies.
Pro Made of real wood
The wood doesn't add any substantial benefit, but it looks really cool.
Pro Gold plated jack
The 3.5mm jack is gold plated for maximum sound quality
Pro Inline controls
There is an inline mic and volume controls that come with these earbuds.
Pro Great wire
The wire is coated in a durable braided nylon material.
Pro Fun sounding with deep and punchy bass, smooth and full mids as well as good detail from the highs
The bass is the highlight of the sound signature. It goes deep and has very good punch too, yet at the same time stays fairly controlled. The mids are present and quite smooth, though not too forward.
The highs do not stand out as amazing, though the level of detail is fairly good.
Overall, a very good sounding pair of in-ear headphones which bass lovers will find to be quite enjoyable.
Pro Cable feels reliable
The headphone cable feels high quality and does not seem like it would break easily. They are also fairly flexible so they should not be too prone to tangles. The strain relief on the connection points of the cable to the earpiece keeps it from detaching easily when yanked.
Pro Fit and isolation can be customized
The CX 300 II come with 3 sets of ear tips in small, medium and large sizes. These are easily interchangeable so you will have some options when it comes to fitting these headphones.
Cons
Con Dark sound
The bass and mids are quite prominent and overpower the recessed highs. This gives the audio a dark sound, which may not be to your liking if you want to hear the minute details of the audio.
Con Heavy cables cause noise
These earbuds have heavy cables that cause noticeable noise when they move.
Con Microphonics can be distracting
If you wear these in-ears while walking around, the movement of the cable can be clearly heard in the earpiece (called microphonics), which can be quite distracting.
Con No in-line controls or mic
You will have to pull out your phone when answering calls or changing music tracks when using these in-ears.