Method and system for audio broadcast using lighting devices

An audio broadcast method, comprises:

• providing a primary device including a primary wireless communication module and an audio broadcast module and one or more secondary devices each including a secondary wireless communication module and an audio broadcast module, wherein the primary device and the one or more secondary devices are connected to form a wireless transmitting linking path through the primary wireless communication module of the primary device and one or more secondary wireless communication modules of the one or more secondary devices;
• receiving, by the primary device, a first audio data from an external device;
• sending, by the primary wireless communication module of the primary device, the first audio data to the one or more secondary devices through the wireless transmitting linking path;
• receiving, by the secondary wireless communication module of at least one of the one or more secondary devices, the first audio data from the primary device or from a different secondary device of the one or more secondary devices, connected to the at least one secondary device;
• and
• broadcasting, by the audio broadcast modules of the primary device and the one or more secondary devices, the first audio data.