This is Mini 40 watt audio car amplifier circuit using HA13001 on BCL system, so small and easy with PCB layout and can all 12V-14V power supply
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) [...]
The IC-TDA2009 amplifier circuit on stereo 10W+10W IC is to qualify from the power supply 8-24V, the current maximum of 1-2A. and 24V load 4 ohms [...]
Hight Bridge Amplifier using TDA2030
It is guitar amplifier circuit diagram with pcb layout. Power output at 200 watt in super bridge model so help to you have a high quality circuit in cheap. [...]
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.
The Super Small and mini Power Amplifier BCL 1.2W by TDA7052 as Low voltage amplifier circuit 1.5V up to 15V, tiny size and can adjust volume by VR1 [...]