Is there some device that will take audio from 'line' level and transmit on bluetooth signal to much longer distance than typical, -say 50 metres- ? Monophonic is fine.
It is to use with ----> http://www.aliexpress.com/wholesale?SearchText=light+bulb+led+speaker+bluetooth&opensearch=true
It is to use with ----> http://www.aliexpress.com/wholesale?SearchText=light+bulb+led+speaker+bluetooth&opensearch=true