Sleek Audio has introduced its SA6 in-ear earphones featuring the company’s Variable Equalization system. The system utilizes interchangeable high-frequency filter tips to provide adjustment of treble response, while a similar Variable Bass Port System offers up to a 12db difference in response at 20 hertz. Other features of the SA6 include interchangeable cables, three differently-sized rubber tips, and a single armature driver. The Sleek…
