Commonly used in IoT devices like smart lights ... Cost-wise, it’s closer to that of battery-powered Bluetooth speakers while allowing for more bandwidth, which is better for audio.
Here’s how it works. Hi-fi systems generally require three elements. You need a source (to play the music), an amplifier (to necessarily strengthen the audio signals) and a pair of speakers (to output ...
But for our purposes, when we talk about Bluetooth speakers, we mean speakers that are portable, battery-powered, and may also have built-in Wi-Fi capabilities for maximum home-and-away ...