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