Distance is limited. The sound is not as good as the sound quality of the stereo.
In addition to the disadvantages, the advantage of Bluetooth audio is portability, and now they are pursuing small and beautiful devices. In the process of signal compression, transmission, decompression and transcoding there will be a loss of the signal, although the sound beautification hardware or software may be installed before the signal output to process the sound, but it does not sound so original. Bluetooth speaker refers to the built-in Bluetooth chip, with Bluetooth connection to replace the traditional wire connection of the audio equipment, through the connection with mobile phones, tablets and laptops and other Bluetooth playback devices, to achieve the purpose of convenience.
At present, Bluetooth speakers are mainly portable speakers, and the shape is generally relatively small and portable.