View Larger Image TOPPING D30 with Burson V6 Opamp upgrade Amazing improvement in sound quality. By Sales Burson|2020-04-06T12:12:08+10:00April 6th, 2020|V6 SS Opamp|Comments Off on TOPPING D30 with Burson V6 Opamp upgrade Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail