Hello, I have recived an Bass amp from a friend , obviously since the TDA2030A chip went wrong, his friend built new one amp and gave me his amp.The chip is the one mentioned is up typed, still works fine, now What Im trying to do is make stereo, since the Bass amp is mono,https://www.petervis.com/Electronics_Kits/TDA2030A...This is the site , I only need to make bottom circuit, but the issue is that this one is prebuilt by manufacturer and has volume knobs, Low, Mid1/2, and high equalization, has input 1,2.I mean this https://www.thomann.de/gb/harley_benton_hb_20b.htm(note about this link, its not that correct one)It sounds good for my usage, but since I wanna add another chip of it and make it stereo I need help, since Im complete idiot, and I wanna keep the Equalization.Here are few pics.https://ibb.co/c7wbcehttps://ibb.co/ktuwceI hope you understand me.Thank you!