Notice : Please wire touch unit contacts for test before install it. Replacements are not available once drivers been soldered. 

At 6.40mm diameter, the SR is the first round balanced armature receiver in the marketplace.

SR maximizes bass performance while providing crystal-clear treble for a pleasing, full-range response in a small package easily adapted to dynamic earphone designs.

Features

Round package

Drop-in upgrade for moving coil dynamic speakers

Designed for high volume production