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