At the 2013 CES, Braven debuted a proper sequel called BRV-1 ($180), and though it hasn’t eliminated 625s from the lineup, it’s clearly positioned as a possible replacement—for some users, at least. BRV-1 measures 4.75” wide by 2.5” tall by 3.3” deep, which is to say that it’s considerably narrower and a little shorter than the 6.3” by 2.6” by 1.8” 625s, but nearly twice as deep. Part of…