SPON History

• In 2002, the first domestic IP network broadcasting system: DS01A-campus network broadcasting system available;
• In 2003, China's first IP network PA: RT01A come out of the public address system;
• In 2004, RT02-IP network available public address system;
• In 2006, RT03-IP network available public address system;
• In 2007, the main control system based on the embedded dual-NAS-speaking public address series of IP networks available;
• In 2007, the first paragraph is an independent Internet can be regularly updated MP3 player available;
• In 2007, the figures come out smart volume conditioning systems;