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