The barber conspired with a 30-year-old mason, Paa Kwasi now deceased, to rob a gold buying office at Wassa Nkonya in the Wassa Amenfi East municipality.
Amoako, who is popularly known as Jordan pleaded guilty to conspiracy and robbery.
Mrs Hathia Ama Manu, the presiding judge, sentenced Amoako to 20-years imprisonment in hard labour on each count, but the sentences will run concurrently.
Police Chief Superintendent Alex Odonkor, Prosecuting, said Richard Quansah, the complainant owns “Same God” a gold buying office at Wassa Nkonya, but resides at Wassa Adiembra.
He said the victim Osman Adams is 22-year-old and an employee of the complainant lived at Wassa Nkonya, while Amoako and Paa Kwasi are residents of Kumasi in the Ashanti Region.