View Larger Image Xduoo Xd-05 with Burson V5i Opamp Mod Significant improvement in detail and control, punchy upper bass. Better SOUND! Related By Sales Burson|2017-03-20T11:08:54+11:00March 20th, 2017|V5i SS Opamp|Comments Off on Xduoo Xd-05 with Burson V5i Opamp Mod Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail