Auribus Acoustics Sierra Aluminum Open-Back Headphones professional they're about as unobtrusive as

they're about as unobtrusive as possible

crystal clear call quality

and high-performing headphone amp makes the ideal companion to the brand's sublime headphones

play/pause functionality

User selectable two or three tubes operation

Auribus Acoustics Sierra Aluminum Open-Back Headphones professional they're about as unobtrusive asSierra 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