'X32 Rack' Digital Rack Mixer

USB - Universal Serial Bus

iPhone - A popular smartphone manufactured by Apple

Digital - A system that uses only 0s and 1s to transmit data

Audio - Also known as sound. An audible vibration wave which can be heard.

USB - Universal Serial Bus. A method of connecting a device to a computer

Rapid have established themselves as a leading online supplier of electrical products, cables, tools, electrical components and educational resources. Through their website you can purchase a variety of meters and resistors, batteries, electrical sockets, fuses and circuit breakers, communications cables, miniature power tools, small hand tools, rivets, tapes and adhesives, office equipment and educational books and equipment. As well as selling to the general public their extensive product selections means they also sell to trade customers. They also have great links with educational customers supplying products to many schools, colleges and universities. They also offer a great turnaround on delivery meaning that your products can be with you the very next day. Some of the top brands that they stock include Recom, Draper, Bosch, Hammond, Duracell, Kingbright, Arcol and Neutrik.