There is no better way to learn electronics than building your own things. Adafruit’s latest guide shows you how to build your own Raspberry Pi Zero powered Boombox with AirPlay. You will be able to stream music from your iOS device to the Pi computer.
This boombox comes with 2x 3W stereo speakers. It is powered by a 2200mAh battery. The body is 3D printed. You can find out more about it here.