Digital Speakers

What are Digital Speakers?   Digital speakers or Digital Sound Reconstruction (DSR) systems are a form of loudspeaker technology. You should not confuse them with modern digital formats and processing. This is because engineers still have not developed them as a...

Rotary Woofers

Generally, human beings can’t detect sounds below 20 Hz. This is why the stated frequency response of many products is from 20 to 20,000 Hz. Part of this impression comes from the challenges in using traditional cone and voice coil subwoofers to produce these...

Plasma Arc Speakers

What are the Plasma speakers?   Plasma speakers or ionophones are a form of a loudspeaker which varies air pressure via a high-energy electrical plasma instead of a solid diaphragm. Connected to the output of an audio amplifier, plasma speakers vary the size of a...

Thermoacoustic Speakers

What are Thermoacoustic speakers?   Thermoacoustic speakers are speakers that generate sound waves from temperature fluctuations. They rapidly heat and cool conducting materials. Unlike conventional voice-coil speakers, thermoacoustic speakers do not rely on...