I am very pleased to be able to recommend my good friend and one time colleague Kev Gray for all your requirements related to the use of specialist hypnosis equipment.  Kev's company Hypno-Quip UK Ltd., manufacture bio-feedback monitors, hypnotherapy Intercom/recording systems (hypno-com), and copyright-free background music. Kev's wealth of knowledge will make your search easy. Visit his site now at: 

www.hypno-quip.co.uk