Here is the circuit diagram of superb mini audio power amplifier, That can be power with 4.5 volt dc to 18 volts dc (maximum). This amplifier is based on TDA1015, Product of NXP Semiconductors ...

The debate still goes on as to which are better, valves or transistors. We don’t intend to get involved in that argument here. But if you can’t make your mind up, you should try out this simple ...

Hearing aids are probably more high-tech than you think. They are tiny. They have to go through a lot of trouble to prevent feedback. They need a long battery life. The good ones match their ...

Simple Audio Roomplayers are the first affordable sound systems to combine HD sound and Powerline Communications technology enabling the user to listen to all his or her digital music at a high ...

Let down slightly by a flimsy headphone stand and a high price, the Creative Sound Blaster X7 is extremely easy to use, has a plethora of connection options, and is perfect for any beginner audiophile ...

If you think most components are too complicated and just want great sound, the no-frills Cambridge AXA35 integrated amplifier is exactly what you’re looking for. Ex-movie theater projectionist Steve ...

Every smartphone has both a built-in amplifier and digital-to-analog converter (DAC). The amplifier cranks the audio signal to a level so that your headphones (or the smartphone’s speakers) can ...

Most of today’s portable music comes by way of battery-powered audio devices. Of course, sound systems are available for outdoor use, but they can be quite expensive and, as discussed here, ...