http://www.sounderpro.com.tw/Service/Recent/ROLAND_M400/Roland_M400.html
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http://www.roland.com/products/en/M-400/index.html
RSS by Roland is continuing to evolve digital audio and live audio mixing. The V-Mixing System is fully digital using Roland's REAC (Roland Ethernet Audio Communication) technology to transfer audio from the high quality mic pre-amps on stage to the mixing console. V-Mixing System is the next generation in live audio mixing technology.
