This is a 35W audio power amplifier built with TDA2030 in a bridged connection with a +- 15V symmetric PS. It is easy to build, do it yourself audio amplifier which will deliver up to 35W on a 8Ω ...
Here is a TDA2030 based high quality amplifier circuit which delivers 8 watts of audio power. Although the TDA2030 IC can give up to 20W, to drive 10W 8Ω speakers, the output power is reduced to 8W ...