Headphone Comparisons AKG K702 vs. HD650 by Stuart Charles Black November 2, 2018 by Stuart Charles Black November 2, 2018 Updates 6/28/19. 4/20/21. Series links at the end. 1,795-word post, approx. 5-6 min. read Hey there friend, and Welcome aboard!! Let’s start with a quick chart! Here I’ve provided some… 0 FacebookTwitterPinterestEmail