As title said , straight from the box easily outperform likes of Bose Quiet Comfort 20 , Bose Soundsport or Altec Lansing MZX399 in audio department without any burn in period .
Not so comfortable to wear as the any of them , though .
Very sturdy built , will probably last long .
Minimal cable microphonics .
Actual verdict of sound capabilities and ranking should wait for some time as they probably require long burn in period like most of the QCY earphones .
After one week of usage and comparing them to my
favorite outdoor earphones , QCY-19 , I can say that lower bass registers (subbass) are more present but less controlable and there is slightly too much sibilance at the other part of the spectrum , but this can change quite a bit over time .
They also have a little better resolution in higher frequencies than QCY-19 .
Overall , great earphones , fun to listen and wear , highly recommended .
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QCY QY deporte el oído música estéreo a prueba de sudor auricular
5 / 5