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