>p>By combining years of innovation invention and insight from HARMAN brands JBL® Commercial Series Amplifiers (CSA) go well beyond the expected in generating powerful sound.>/p> >p>From the switch-mode universal power supply to the efficient performance of Crown's DriveCore™ Technology we continue to set new standards in commercial power amplifier technology.>/p> >p>Simple to configure the CS amp provides a DriveCore-based sound solution. This replaces up to 500 parts with one small chip significantly reducing the part count and increasing reliability while maintaining superb performance.>/p> >p>Supporting 70V and 100V installations out of the box CS amps include RJ45 connectors for use with JBL CSR-V in-wall volume controls. Its universal power supply allows every CS amp to accept AC voltages from 100 to 240 VAC 50/60 Hz.>/p> >p>And with HARMAN's GreenEdge™ environmental initiative CS amps quickly pay for themselves in energy savings.>/p>