View Larger Image Little Bear B4-X with Burson V5i Opamp I get noise in one side and a high pitch whine in the other, so I think mine might be defective. By Sales Burson|2020-07-28T17:06:57+10:00July 28th, 2020|V5i SS Opamp|Comments Off on Little Bear B4-X with Burson V5i Opamp Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail