TBA810P データシート - STMicroelectronics

The TBS810P is an improvement of TBA810S.

The TBA810P is a monolithic integrated circuit in a 12-lead quad in-line plastic package, intended for use as a low frequency class B amplifier.

Reference PDF :

//www.transkommunikation.ch/dateien/schaltungen/diverse_schaltungen/audio_circuits/Versatile%20Audio%20Amplifier%20(TBA810).pdf