The MAX9704 from Maxim is a small and efficient Class D audio power amplifier. Its fully balanced inputs and Class D outputs make it a convenient chip to directly drive speakers. Sometimes, though, ...

The popular 555 timer can be used as a PWM/Class-D amplifier for musical instruments or other applications. It can use a wide supply range of 4.5-16V and produce 200mA of drive. The audio is fed to ...

The SingXer SA-1 Headphone Amplifier isn’t very sexy but it might be one of the best headphone amplifiers below $600 right now. SingXer started in 2011 and its initial focus was on fixing what they ...

Hang around in any of the many guitar or audiophile forums or discussion boards for long enough, and eventually you’ll come across the arguments over amplifier topologies. One of the more interesting ...

Does the $3,200 Parasound HINT 6 deliver on its promise of excellent sound quality, reliability, and features galore? We take it for a spin. Is the writing on the wall for expensive separates? Has the ...

The switching amplifier, or class D amplifier, has risen quickly to prominence in consumer audio applications, from MP3 devices including mobile phone handsets to games consoles, LCD-TVs, and home ...

Just today I read on an internet forum a post by a "hot" new manufacturer of class D amplifiers saying that "the only way to solve the interference problem is to put the amplifier in a completely ...

A D/A converter and headphone amplifier in one box. In lieu of connecting headphones to the analog audio-out headphone jack found on every computer and mobile device, the DAC/headphone amp provides ...

Because pulse modulation output signals are either on or off, Class D amplifiers produce far less heat than analog amplifiers. Reaching efficiencies greater than 90% compared to only 50% for analog, ...