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