The following diagram is the circuit diagram of simple 4W audio amplifier based TDA1013B. The amplifier is based on integrated audio amplifier chip, TDA1013B which […]


Above scheme diagram is turbo bass circuit that can be used to multiply the low frequency sound signals (bass) on your audio system, it also […]

The following image is the scheme diagram of six LED stereo VU display circuit which build using Dot/Bar Display Driver IC LM3915. This VU display […]

This is a inexpensive high fidelity (hi-fi) tone control circuit designed just with two low cost transistors as the active components. The schematic is one […]

This is the 100 Watt power amplifier circuit based power amp chip LM3886. Single chip of LM3886 is able to generate power output up to […]

Here is the USB sound card circuit based on PCM2706 which dedicated for USB audio. With USB controller module inside PCM2706, there is no more […]

This is an audio mixer circuit which designed along with VU meter circuit. The circuit is for one channel input, if you need, for example […]

Below circuit is an echo chamber circuit which can be used for smoothing your voice from the microphone. This circuit may used for any kind […]

The following diagram is the circuit diagram of 20 band stereo graphic equaliser which will controlling the audio signal in specific frequency range. The power […]

This is a stereo VU booster circuit diagram based on transistor FCS9014 which usually used for pre-amp and regulator circuit and switching. With simple circuit […]