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