View Larger Image Asus Xonar Essence STX II with Burson V6 Opamp Excellent product. Fuller feedback already submitted as Facebook post. By Sales Burson|2018-07-10T17:11:04+10:00July 10th, 2018|V6 SS Opamp|Comments Off on Asus Xonar Essence STX II with Burson V6 Opamp Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail