吉他音响原理前级图由T 727及阻容元件组成前级电路gz-guitar sound principle before plans from T-727 and the resistor and capacitor circuit composed of former gz

这是歌乐汽车音响的电路原理图，属于汽车电子嵌入式开发的范畴-This is the Clarion car audio circuit schematics, belonging to automotive electronics embedded development areas

这是一款2.1声道的多媒体音响遥控接收电路原理图和源程序，主要用于家用的低音炮中。-This is a 2.1-channel multimedia audio remote control receiver circuit schematics and source code , mainly for household subwoofer .