Open-back design, 13.6mm dynamic driver, very good technical and tonal performance for 26$. How does it sound? Keep reading if you are interested. Design Despite housing a large 13.6mm dynamic driver, the Whizzer BS1 is surprisingly ergonomic in both design and fit. It is compact with great structural solidity and has a traditional design and fit that will be familiar to any earphone user.   The BS1 has sandblasted aluminium finish on the back part of the shells. The front … Continue reading Whizzer BS1 Review