SquarePlug SP400BK, all-black variant [top cover and body] of the SP400 | 8.3mm [body thickness] x 17mm [body width] x 28mm [body length] | fits cables up to 4.6mm OD
→ Ultra–low–profile connector [measures only 8.3mm / 0.326″ x 17mm / 0.67″ x 28mm / 1.10″. 20% smaller in volume than the Switchcraft 228/229]