View Larger Image Xduoo XD05 BAL with Burson V5i Opamp upgrade More warm and upgrade technicality of sound By Sales Burson|2021-05-27T14:13:02+10:00May 27th, 2021|V5i SS Opamp|Comments Off on Xduoo XD05 BAL with Burson V5i Opamp upgrade Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail