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