Cheap gear that surprised you (lets say under $300)

My acoustic panels are definitely up there with the best of them.

Picked up a Mesa Boogie .50 Caliber+ head for £150 a few years ago, didn't know anything about it, just pressed buy it now! Was a good amp.

My Fender Mex Jazz Bass has been a great purchase, upgraded the pickups and I'm in love with its sound now!
 
squier vintage modified jazz
blackstar ht5
sansamp rbi
I know its not quite 300, but the fender mim blacktop tele is way underpriced imo