Easiest way I can tell (if I recall properly) is that the series I had the Bose branding on the grill. The series II had it in the speaker body itself and you could see it through the removeable grill.
Easiest way I can tell (if I recall properly) is that the series I had the Bose branding on the grill. The series II had it in the speaker body itself and you could see it through the removeable grill.
