Kasuwancin Aopuxin yana da cikakken layin samfur na kayan gwajin sauti, yana goyan bayan ƙira iri-iri na nau'ikan amplifiers na wutar lantarki, mahaɗa, crossovers da sauran samfuran don dacewa da buƙatun gwaji daban-daban.
An keɓance wannan bayani don ƙwararrun gwajin haɓaka ƙarfin wutar lantarki don abokan ciniki, ta amfani da babban kewayon, masu nazarin sauti masu inganci don gwaji, suna tallafawa matsakaicin gwajin ƙarfin 3kW, kuma yana cika buƙatun gwajin sarrafa kansa na abokin ciniki.