SoundStage! Simplifi - Bluesound

KRK Generation 4 Rokit RP5 G4 5 Powered Near-Field Studio Monitor Speakers Package

MORRORART Y1 Bluetooth Speaker with Time Album Lyrics Audio Speaker Electronic Calendar Alarm Clock Desktop Decoration Speaker

Fonte Input(100 240v~,50 60hz,0.5a Max) Output 12v 1.5a

Adaptador de Energia de Bateria de Íon de Lítio Ac 100-240V Dc 21V

beFree Sound 12 Inch Woofer Portable Bluetooth Powered PA Tailgate

Input 100-240v 50-60hz Ac Adapter

I keep seeing people recommend edifier speakers, are these them

Neural DSP Quad Cortex Power Supply – Thomann Portuguesa

The Terrace Outdoor Soundbar LST70T

ELI5: what do the electricity rating numbers on the back of a plug