 Concert film footage also shows John Lennon light-heartedly pointing out one such incident as he attempted to talk to the audience in between songs.The deafening level of crowd noise, coupled with the distance between the band and the audience, meant that nobody in the stadium could hear much of anything.Vox had specially designed 100-watt amplifiers for this tour; however, it was still not anywhere near loud enough, so the Beatles used the house amplification system.