This is a simple circuit which I built to one of my audio amplifier projects to control the speaker output relay. The purpose of this circuit is to control the relay which turns on the speaker output ...

Campfire Audio launches the Relay portable DAC/amp with AKM SEQ 4493 chip, balanced outputs, and high-res support at $229. Strong tech, but tough competition awaits. Campfire Audio has earned a solid ...

Campfire Audio is an American hi-fi manufacturer that specializes in in-ear monitors (IEMs) and earphones for musicians and audiophiles. Its offerings start at a few hundred bucks, like its ...

This “Product How-To” article focuses how to use a certain product in an embedded system and is written by a company representative. Audio amplifier products are becoming more and more advanced in ...

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 ...

Relays are electromechanical devices that use a magnetic solenoid to actual a switch. When current is passed through the solenoid coil, it produces a magnetic field. The magnetic field is strengthened ...