View Larger Image Topping DX7 Pro Burson V6 opamp upgrade Replaced the LME49720 in the headphone amplifier. (V6 Vivid) Brilliant open sound, deeper space and fantastic resolution. Related By Sales Burson|2020-10-08T15:38:49+11:00October 8th, 2020|V6 SS Opamp|Comments Off on Topping DX7 Pro Burson V6 opamp upgrade Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail