The nice thing about headphones is that they take the room out of the equation. For speakers the room, furnishings, treatments (if any), and positioning can make a big difference.
Is this a dedicated listening space or are going to be practical concessions in terms of placement?
As far as amps go, you’ll want something with enough power to drive the speakers you choose and that can handle whatever the impedance of your speakers is.
Most integrated or standalone amps are fine with 4 ohm loads, and the vast majority of speakers don’t present a load appreciably less than that.
Since you have a small space you aren’t likely to need tons of power.
Is this a dedicated listening space or are going to be practical concessions in terms of placement?
As far as amps go, you’ll want something with enough power to drive the speakers you choose and that can handle whatever the impedance of your speakers is.
Most integrated or standalone amps are fine with 4 ohm loads, and the vast majority of speakers don’t present a load appreciably less than that.
Since you have a small space you aren’t likely to need tons of power.