Hi!
Available in USA yes, because http://www.hkaudio.com/Contact/show_distrib.php?Country=45&cc_id=226

Email: usa@hkaudio.com

What about asking your local dealer, because this systems are really good, very close to the excellent Mackie active systems but cheaper.

This small system sounds like the bigger LUCAS systems, the only limit is the SPL, so you can use XT for smaller crowds up to 80 persons (absolute maximum for medium sound level)

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Regards
RF