The BA546 is a 6v/330mw Single-channel Power Amplifier
It comes in a single inline package (all the pins are in a single row)
200mW at 5 Volts supply
9 Volts around 600mW is OK with good cooling (max 12v)
BA546 Pinout, Pinouts
BA546 pin out
There are other versions of the BA546
BA546 Application circuits
This is one application circuit of BA546,If you need more circuits,please download BA546's pdf datasheet.