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