VOCOPRO UG-3  U-series wireless Guitar System Plugs securely into angled guitar plug. Diversity receiver design reduces dropouts caused by multipathing and interference. 16 Operating channels allow for Multiple sets to be used simultaneously Plugs securely into angled guitar plug. Diversity receiver design reduces dropouts caused by multipathing and interference. 16 Operating channels allow for Multiple sets to be used simultaneously Plugs securely into angled guitar plug. Diversity receiver design reduces dropouts caused by multipathing and interference. 16 Operating channels allow for Multiple sets to be used simultaneously