64 Audio Duo Dual Driver Universal In-Ear Monitor (Open Box) - Discontinued active-noise-cancelling allowing you to freely switch

allowing you to freely switch between 2

Take a moment with 99 Neo

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

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

64 Audio Duo Dual Driver Universal In-Ear Monitor (Open Box) - Discontinued active-noise-cancelling allowing you to freely switch64 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