Hi I have a six week old (27/12/2016) pair of Final Audio Design Sonorous VI headphones for sale. They have only even been used on a Questyle QP1R DAP for about 15 hours. They are in absolutely mint condition and come boxed with all accessories. A receipt will be provided. Please look at my eBay feedback and purchase with confidence: http://www.ebay.co.uk/usr/darrencotter Asking £375 Price includes PayPal fees and UK postage. EU postage would be £5. Regards Darren