64 Audio Duo Dual Driver Universal In-Ear Monitor (Open Box) - Discontinued active-noise-cancelling Sustainable headphones – made in

Sustainable headphones – made in Germany

and using any button on the remote turns lights on for 3 seconds

the negative impact on sound quality is inevitable

such as connecting products from brands like Astell&Kern or Fiio with smartphones or computers

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64 Audio Duo Dual Driver Universal In-Ear Monitor (Open Box) - Discontinued active-noise-cancelling Sustainable headphones – made in64 Audios latest UIEM, Duo, is a dual driver hybrid design. Built with the complete Tia System, Apex Core, Wave Sync, and LID, Duo presents 64 Audios signature balanced sound in a whole new way. The simple audio design captures the listeners auditory senses while forgetting theyre wearing IEMs in the first place. The complex faceplate assembly not only serves an important role in protecting the shell of the IEM while allowing air to flow freely, it is