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