The lm1875 has good sound quality.
LM1875 is the evolution of TDA2030, the sound quality is better than 2030 is not just a grade. Interested partners can do DIY, as long as there is a circuit foundation, or can understand the circuit diagram will use electric soldering iron can be made. Do it yourself at home, put it in the living room, or when the desktop speaker of the computer can also be, not only to save money, the most important thing is to experience the fun of doing it yourself, but also to experience the pride after success.
The 1875 has better sound quality and power than the 2030, with less noise and fewer peripheral components.