Learning,
I also don't hate you. Your culture and country are completely different than mine.
But I hate it when thousands of little school kids come here from India and try to speak English but they can't, and try to talk about electronics when they know nothing about electronics.
Many times you were told that a recommended pcb design is in the datasheet for the amplifier ICs but you continue to design pcbs completely differently so you are learning nothing. The LA4440 datasheet also has a good pcb design in it that you should use.
I think the printed wiring for your outputs is too narrow and might burn out when 1A to 2A flows in them.
You continue to use obsolete parts. The Sanyo LA4440 amplifier IC was discontinued many years ago.