PW-400 is the most powerful of the two stereo power amplifiers which in a small size and associated withPA-20 are able to fulfill completely the demand of modern speakers and offer an effortless reproduction respectul of all details of the muscial message.

The class D technology has been pushed to the limits by using specific parts selected for their ability to reproduce each smallest detail of the muscial message without any degradation.

Special voltage regulators for all low level stages are serious contributors to the transparency of the musical reproduction of PW-400.