Offer Details: Aivin products are selling all over the world through our worldwide cooperative partners. At present, our products consist of home theater amplifier, switch power digital amplifier, hi-fi amplifier, amplifier with active bass speaker, karaoke amplifier, professional amplifier, professional DSP related fixing, DSP module, audio-visual educational system, karaoke speaker, musical instrument speaker, professional speaker, professional microphone, Hi-Fi headphone and some of relating electronic appl |