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Image of Knowles KN1 Reference Design Wireless Earphones - Why Hybrid Continued

A combined spectral analysis of 200 songs at 74dB SPL and 1/6th octave in the Billboard top 100 over the years 2000 to 2020 is shown above. There is a lot of musical content in the high treble which many earphones do not reproduce well, making music less enjoyable.

PTM Published on: 2022-09-30