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