About Us Melodonia is a truly independant, family owned and run business that has served the island since 1958. Although we are mainly known for supplying home entertainment equipment, we also stock a wide choice of electrical items ranging from microwaves to headphones and much much more! All of which is displayed across two floors of showroom. Melodonia is the only JVC appointed FutureVision store in Guernsey. We stock the full range of JVC products. We were the first dealer in Guernsey to demonstrate live High Definition Television - and our impressive range of HD Ready TV's have proved even more popular now that HD TV broadcasting has started.