The Amp:bit is the easiest way to connect a speaker or headphones to your micro:bit.
The Amp:bit plugs on to the edge of your micro:bit and gives you the option of plugging headphones or speakers into the provided headphone jack, or you can solder speaker wires directly to the provided pads.
If you have a speaker connected to the speaker pads, the speakers will automatically mute when something is plugged in to the headphone socket. You also get a volume control wheel so you can adjust the volume whenever you like.
The Amp:bit also works great with the 1up:bit game controller!
Example code:
Headphones, screw terminal, and speaker not included.