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