Good. The Texas Instrument Class-D IC with DRC function looks perfect on my PC speaker system, as I don't want to spend much, while the IC costs only HK$50 ... Worth a try ....
BTW, I don't expect it will be better than 2A3. Because TI mentioned that "Speaker equalization compensates for poor quality speakers, reduces overall system-level cost." And it is for mini speaker only.
As you said it is a perfect match with Logitech PC speakers.
