I checked (already warmed up) for a trace. technique: Infrasonic Amon sound card, Foobar and Winamp players, Players as such - Ibasso DX50 (firmware with Rockbox), Cowon X7, Ipod Touch5 with Fiio E11 amplifier. formats: Flac, Alac, Ape and Aac. This relatively inexpensive model has a real audiophile sound. I enjoyed listening to the Doors, Rainbow and the early Pantera albums. In terms of frequency neutrality, I can compare it with the Sony 7509HD. The highs are perfectly clear, there are no sibilances. The middle ones are very rich. As for the bass. If you mainly listen to instrumental music, classical music, choral singing, buy this model, you won't regret it. If you are a DJ and in electronic music you need a clearly distinguishable "bass part" - take a closer look at the Sennheiser HD6 Mix, but the HD 280 Pro will come in handy in the studio when recording voice. As I wrote in previous reviews, sound is a very subjective thing. Everyone has their own preferences in music, therefore, please listen to the headphones before buying and try them on carefully - you can work in them or relax.
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