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