| Manufacturer | Part Number | Description |
|---|---|---|
National Semiconductor (now Texas Instruments) |
LM4670 | Filterless High Efficiency Switching Audio Amplifier |
Unisonic Technologies |
M4670 | FITERLESS HIGH EFFICIENCY SWITCHING AUDIO AMPLIFIER |
Texas Instruments |
LM4670 | Filterless High Efficiency Switching Audio Amplifier |
