FIDUE A65 HiFi In-Ear Sound Isolating Earphones. Fidue A65 HiFi In-Ear Sound Isolating earphones are built using micro dynamic drivers with titanium composites. The earphones are housed in a beautiful Rose-Gold coloured triangular metal casing, making them durable and perfect for heavy use without adding too much weight. The A61s offer a clean, clear and balanced Hi-Fi quality sound. The ergonomically designed earpieces are light and sit comfortably in the ear. The in-canal design coupled with the right eartips will seal the music in and prevent unwanted noise and distractions. The Fidue A65 ships with a variety of silicon eartips to help you get the perfect fit. So buy this FIDUE A65 Hi-Fi Sound Isolating Earphones with Smartphone Controls & Mic Now £49.99.