View Larger Image HiFiMan EF5 with Burson V6 Vivid Opamp Sounds great. Listening experience much more immersive than stock Opamp! By Sales Burson|2017-09-15T15:49:08+10:00September 15th, 2017|V6 SS Opamp|Comments Off on HiFiMan EF5 with Burson V6 Vivid Opamp Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail