- a phazon sound system contains JBL components. Check out http://www.jbl.com - the sound system in a club is only as good as the sound and electrical engineers/contractors that designed and installed the sound system. - phazonsounds design and install sound systems with JBL components/software. JBL designs and installs sound systems. Many, many clubs have JBL sound systems installed. In NYC: China Club, CBGBs, Roxy, and ex-Twilo, et cetera... had/have JBL sound syetems installed. - the question all you "people who think they know sound systems" should ask yourselves is, what makes a phazon sound system better than a JBL sound system ? Is there a difference ? (What does Phazon incorporate that JBL does not ??) - sound systems are designed with many variables and particulars that have a cause and affect on the final ouput. read the following documents if you have interest in designing sound systems.. http://www.jblpro.com/pub/manuals/Install_guide.pdf http://www.jblpro.com/pub/install/V_SP_Array_guide.pdf http://www.jblpro.com/pub/install/MSSPVS_Dims.pdf