ST Electronics TDA7350A 22 watt analog amplifier module
Supports dual amplifier or bridged mode on a vehicle car supply such as 12-16 volts
datasheet here: https://media.digikey.com/pdf/Data%20Sheets/ST%20Microelectronics%20PDFS/TDA7350A.pdf
Purchased from digikey in a lot of 500 which was shipped directly from ST. Guaranteed to not be counterfeit.
325 left at the start of this listing
These were purchased for a military project which required a no-counterfeit guarantee.
ships in proper ESd packaging.