Jin Tae-Jin Personal Skill: Sonic Punch and Kick is a technique developed by Jin Tae-Jin. It is a a barrages of punches and kicks delivered so fast that it breaks the sound barrier, going supersonic. As it uses air pressure to attack the opponent, it can't be blocked.
Another Renewal Taekwondo move, Mach Punch, has a function very similar to this technique's punch. It is unknown if they are related.