Lo mbuzo ndawubuza kumphathi wevenkile, kodwa andizange ndifumane mpendulo icacileyo. Yintoni umahluko phakathi kwe-eriyali esebenzayo kunye neyokwenziwayo? Kwaye yeyiphi enye engcono ukuyisebenzisa?
Uyilo lwe-eriyali esebenzayo ine-amplifier eyakhelweyo. I-amplifier ngokwayo ingaphakathi, kwaye amandla ayo kunye nokulawula kudlula intambo yeTV. Ii-eriyali ezinjalo azinakho ukuthembeka okwaneleyo kwaye zihlala ziqhekeza ngenxa yokufuma okungena kwisekethe okanye ngenxa yokuduma kwezulu. Ngokuhambelanayo, kungcono ukusebenzisa i-eriyali yokwenziwa, ine-amplifier yangaphandle eyahlukileyo kunye nokusebenza ngokuzimela. Ithuba lokungaphumeleli kwe-eriyali yokwenziwa ngokusebenza ngokufanelekileyo kuncinci.