The transmission signals can travel up to 100 metres, if setup in a spacious environment. The transmitter can also broadcast over a series of floors, for larger venues.
The headphones were designed with great bass reproduction in mind, giving a rounded bottom end– though they are still headphones and so will never be as powerful as nightclub subwoofers.
You certainly can, As long as it is not raining and and security is in control of where people wander, we have no problems with headphones being used outside! Just keep in mind that we charge for every lost/damaged headphones so as long as they are looked after this works fine.