The British chose the opposite path, equipping their DEs (actually Captain-class frigates) with two
3,000 pound Mark X depth charges in December 1944. The unique Mk X depth charges contained 2,000 pounds of explosive and were intended to combat the newest deep-diving German submarines.
http://www.de220.com/Armament/Depth%...pthCharges.htm
Dont fancy meeting one of them on my travels