Auribus Acoustics Sierra Aluminum Open-Back Headphones professional This means two things –

This means two things – poor conductivity and they are not protected from one another

These drivers ensure that you get a listening experience as if you were there with the performing artists

play/pause functionality

User selectable two or three tubes operation

even around other interference

Auribus Acoustics Sierra Aluminum Open-Back Headphones professional This means two things –Sierra Aluminum Sierra Aluminum is a Luxury take on the Sierra Reference commemorating the 5th year anniversary of the original Auribus project. This is our best headphone yet, now with a warmer, more refined tuning paired with a premium Solid Aluminum cup and headband. The advanced SLM Metal 3D Printing and polishing process create a unique raw finish unlike any other headphones, all while keeping weight to a minimum. Please note, a powerful