усилители Q-Series
OSRAM (Германия) Crown (США) Allen & Heath Shure Light Studio Nightsun Polarlights APart (Бельгия) Park Audio BIG Technics Turbosound HALO Philips ACME Electro-Voice HKAudio Panasonic SANYO DeliEffect DiscoEffect MARTIN (Дания) DB Technologies JBL Professional Pioneer