This is 2 watts + 2 watts Stereo small LM386 amplifier x3 ICs. It is cheap and easy to builds for BCL amplifier,mobile,MP3 player using 6V battery (AA x 4)
his be Super Bridge 120W Power Amplifier by IC TDA2030 for you like the circuit amplifies that use the integrated circuit. and Transistor BD249 or TIP31
This is a 200 watts super bridge power amplifiers, include the transistors as based of circuit, so suitable for signals from the bass guitar. It’s a high power, durable and cheap. Use it in the house, the sound quality also is good. In Figure 1 we will see that the …
Today we see the 19W stereo integrated amplifier IC-TA7240AP, ideal for small rooms Or use the car because the power supply only 12 volts.
This is TDA2009 bridge amplifier circuit BCL 18W,Supply volt = 23V 2A, it is 10 +10W STEREO AMPLIFIER integrated circuits interesting again the one number.