GEARBAG: The S Plug Canal Phones
The S plug incorporates two drivers in each ear bud for outstanding fidelity and sound reproduction...
I use them all the time now, for my motorcycle needs, as well as for my gym workouts, airplane trips, and virtually any time I use my music devices. They’re absolutely terrific. You do not have to crank up the volume to get excellent sound throughout the range of music. You can hear the base and treble frequencies clearly.