Does a headphone (e.g. Sennheiser HD600) improve with a dedicated amp?
original uncompressed FLAC recordings: http://goo.gl/1V2e3B Sennheiser HD600: https://amzn.to/2NbBz3v Steljes hybrid valve amp: <a href="https://amzn.to/2N88hiU." target=”_blank” rel=”nofollow”>https://amzn.to/2N88hiU.