SS Audio Fuse Protection Bulb, LB-12.8-97

A: Yes, this will work in the Bose 301 crossovers.

A: Yes, these will work in Soundtech system crossovers that use the snap in style fuse bulbs.

A: Yes! This bulb fuse works for the Bose 501 speaker systems.

A: We use solder flux and apply to the metal end of the bulb....not the wire clip. Hope this helps!