Amponsah began his career domestically in 1997 playing for
Ghapoha Readers. In 1998 he moved to
Greece and signed for
Panelefsiniakos, where he spent half a season. He then moved to
Olympiacos, where he played under
Dušan Bajević. During his spell at the club he won two
Greek Championships and a
Greek Cup. In 2000 Bajević took charge of
PAOK and brought Amponsah to the club. There he won another two Greek Cups. On 31 July 2003 Amponsah signed for
AEK Athens, where Bajević was the manager. On 29 January 2005 his contract was terminated and Amponsah signed for
Egaleo., where after a short spell at the club he moved to
Apollon Kalamarias. In 2008 he moved to
Cyprus and signed for
Enosis Neon Paralimni. He spent a season at the club and ended his career in 2009. ==International career==