Play the electric guitar? If you need to replace your guitar speakers, and you don’t have time to go to a musical instrument, you can always search online for musical instrument stores online and buy from those online stores.
There different brands of guitar speakers. And different brands have different kinds of guitar speakers. They are all readily available online. It’s even easier to buy online that to go to the physical musical instrument store, unless the store is really near your place.
Looking for a guitar speaker that is available online for shopping? You can try the guitar speaker brand celestion at Musicians friend.