Easily improves the sound quality of headphones and earphones, covering an ultra wide range of 4Hz to 43kHz. Can also be used for non-Hi-Resolution compatible devices. * Depends on the performance of the device and software settings.
This is a burn-in track specialized for improving the frequency/quality of vocals/voice. Try it on equipment that you want to enhance the attractiveness of your voice, such as when vocals/songs are tucked in, lack power, are thin, etc.
![Best headphones Burn-in Audio Ver.2 [Sound and Science]](http://img.dlsite.jp/resize/images2/work/doujin/RJ01072000/RJ01071974_img_main_240x240.jpg)
![Best headphones Burn-in Audio Ver.2 [Sound and Science]](data:image/gif;base64,R0lGODlhAQABAGAAACH5BAEKAP8ALAAAAAABAAEAAAgEAP8FBAA7)
![7 Sound Types that Maximize the Potential of your Headphones / Earphones (Hi-res Compatible Ed.) [Sound and Science]](http://img.dlsite.jp/resize/images2/work/doujin/RJ426000/RJ425574_img_main_240x240.jpg)
![時短 スピーカーの音質向上エージング音 - Bluetooth カーオーディオ TV サウンドバー [Sound and Science]](http://img.dlsite.jp/resize/images2/work/doujin/RJ01179000/RJ01178652_img_main_240x240.jpg)
![Short Aging/Burn-in Sound Quality Improvement for Voices / Vocals / ASMR (30 min Ed.) [Sound and Science]](http://img.dlsite.jp/resize/images2/work/doujin/RJ426000/RJ425689_img_main_240x240.jpg)
