O2 Speakers Home ›› Local Listings ›› NSW ›› Balmain ›› O2 Speakers NSW Business Services Balmain , NSW 2041 Julie(02) 9818 5199 https://www.o2speakers.com O2 Speakers is a professional speaker management company operating in the Asia Pacific region. They offer speakers from all backgrounds, delivering a unique presentation experience that teaches and enlightens any audience.