If you have efficient speakers and don't need a ton of power and don't want to take up a ton of space the Parasound Z series of components are tough to beat.
The Zamp is rated at 40wpc but is bridgable for 80w x 1. They are built well with a toroidal transformer, full size speaker connections and an IEC power cord. They can be bought used for around $150 or less.
The Zpre is also solidly built and as mentioned comes with a remote and headphone jack. $150 - $350 used/new.
Parasound also makes a Zphono preamp that matches the other Z series components.
You could build a solid system with 2 Zamps, a Zpre and Zphono within your budget if you shop smart.
I have a new set of JBL Studio 530’s which I really like but they aren’t terribly efficient.