STK4221V и другие
| Компонент | Описание | Производитель | |
| STK4221II | Features of the IMST Hybird ICs |
List of Unclassifed Manufacturers |
 |
| STK4221II | AF Power Amplifier (Split Power Supply) (80W 80W min, THD = 0.4%) |
Sanyo Semicon Device |
|
| STK4221V | Features of the IMST Hybird ICs |
List of Unclassifed Manufacturers |
|
| STK4221V | 2-Channel 80 W min AF Power Amplifier (Split Power Supply) |
Sanyo Semicon Device |
|