Latest news:
Fully featured DDFA amplifier rivals the sound quality of high end linear amplifiers.

For further information about the DDFA chipset email: audio@zetex.com

Latest news:
New subwoofer designs feature 150W, 300W and 500W output power with outstanding audio performance

For further information about subwoofer amplifiers email: audio@zetex.com


Technical resource

Class D amplifier efficiency

The PWM output of Class D amplifiers ensures typical efficiencies over 90% compared to less than 50% for conventional class AB amplifiers.

This type of performance means smaller power supplies, less, heatsinking and so more power in a smaller enclosure.

So how does a Class D amplifier work?

Class D Function