Customer services: 01204 474747\n\nemail: ebay@scan.co.uk\n\nAbout Us FAQ Delivery Returns Contact Us Terms & Conditions \n\n--\nComponents\n\n--\nComputing\n\n--\nEntertainment\n\n--\nNetworking\n\n--\nPeripherals\n\n--\nSoftware\n\n--\nStorage\n\n--\nPro Audio\n\n--\nPro Video\n\n--\nOther\n\nAudio Analogue / InterfaceTopping Pro E4x4 Pre USB Audio Interface \n\nTopping Pro E4x4 Pre USB Audio Interface\n\nTopping Pro E4x4 Pre - 4 Low Noise Preamps, Dual Hi-Power 580mW Headphone Amps\n\nScan code\n\nLN145169\nManufacturer code\n\nE4x4 Pre\n\n  \n\nProduct Overview\n\ndesigned to get the best possible results from headphones\nWith the rise in producers working and mixing in headphones, it is surprising that the headphone output on most affordable interfaces is often underpowered and unable to work with good volume and low distortion with all but the most efficient, low impedance headphones.\n\nTopping Pro\u2019s Interface range are designed to get the best possible results fs