Stk411-210e Datasheet |link| Jun 2026

The is a robust and efficient audio amplifier module that bridges the gap between discrete transistor designs and monolithic ICs. By offering high power output with minimal external components, it remains a popular choice for audio enthusiasts and repair technicians. Careful attention to heat dissipation and a stable power supply is necessary to maximize the performance of this hybrid IC.

Audio In [Ch 1] ---> [ Differential Pre-Amp ] ---> [ Voltage Amp Stage ] ---> [ High/Low Output Stage ] ---> Speaker Out 1 ^ | |_______________________ Feedback Network ________________|

The is a robust and efficient audio amplifier module that bridges the gap between discrete transistor designs and monolithic ICs. By offering high power output with minimal external components, it remains a popular choice for audio enthusiasts and repair technicians. Careful attention to heat dissipation and a stable power supply is necessary to maximize the performance of this hybrid IC.

Audio In [Ch 1] ---> [ Differential Pre-Amp ] ---> [ Voltage Amp Stage ] ---> [ High/Low Output Stage ] ---> Speaker Out 1 ^ | |_______________________ Feedback Network ________________|