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