The CE4000 is the result of over 30 years of Crown amplifier design experience. And it's the best of all worlds thanks to unique features like Crown's patented, award-winning Balanced Current Amplifier (BCA) (Class I) technology . BCA gives the CE4000 superior power output with increased efficiency plus legendary Crown sound and reliability. In stress tests, the CE4000 continued to perform at levels 12 dB into clip long after other brands had shut down! Flexibility is unsurpassed thanks to features like selectable on-board high- and low-pass filter sets, optional signal control modules,and dual output connectors. Consider the CE4000's lighter weight (just 34 pounds) and modern design when you compare our new amp to the other guys. Whether you're a touring band, DJ, A/V rental company or looking for a fixed install amp, the CE4000 is your best option. Features include: Crown's patented, award winning Balanced Current Amplifier (BCA) switching technology is an engineering advancement. BCA will generate more power and less heat than traditional linear amplifiersCrown's Switching Mode Power Supply allows enormous power and performance with much less weight--it's only 34 pounds! Power Factor Correction (PFC) for global power compatibility means your CE4000 will work with any line voltageThe Crown CE4000 delivers 1800 watts per channel (both driven) into 2 ohms, 1200 watts into 4 ohms, and 600 watts into 8 ohms-now that's powerful *Compatible with Crown's system solutions topologies (SST) input modules for adding flexibilityChoice of three dual output connector modules (CE4D,CE4C and CE4E)