The 40hz Cognitive Resonators

(We do not ship outside UK) PRICE INCLUDES UK ONLY SHIPPING This complete kit weighs approximately 4kg and comes with a wool headed mallet and a sturdy canvas carry bag with 5 individual sleeves to protect the tubes. Specification: These are 1 1/2" (38.2mm) diameter aluminium tube with a wall thickness of 3.2mm. They are tuned to create a resultant tone when all five tubes are played as a collective. This set of 5 tubes creates a resultant tone of 40hz. These can be used as a part of a complimentary therapy either single or group sessions.