Talk about brain racking looking for a decent set of speakers on a budget. I thought I had a set but after plowing through dozens of models on Amazon I finally found a pair. I'm going 6.5" instead of 5.25".
Okay, enough puns. Look around in your junk. Maybe you can find old spare working speakings built in into some other devices or something. I for one sure I do have some.
Do convex speakers exist? Those puns would work great with those.