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