Which transformer should we use in the 3773: - 12-0-12 5 amp or 18-0-18 3 amp (original)
3773 Board Quality : good quality
Board information : All wires are soldered and potentiometers are also attached. external transformer and aux cable needed , you may use Bluetooth module and usb module
3773 comparison with 4440 : 3773 is best but 12V battery support is not there
which speakers we have to use : 8 ohm 10 inch
Offline price :400-500RS
online price :500-600RS

Buying link :https://amzn.to/3mF408J