The EUROLIVE B615D 1500-Watt `active loudspeaker is exactly what you’ve come to expect from Behringer – massive output power, more features and absolutely more affordable! Active 2-Way 1500W PA Speaker System with 15" Woofer and 1.75" Titanium Compression Driver Class-D - Massive Power, Perfect Sound Thanks to our revolutionary Class-D amplifier technology, we are able to provide you with enormous power and incredible sonic performance in an easy-to-use, ultra-portable and lightweight package. Class-D amplification makes all the difference, offering the ultimate in energy efficiency and eliminating the need for heavy power supplies and massive heat sinks. This amazing technology makes it possible to design and build extremely-powerful products that are significantly lighter in weight than their traditional counterparts, while using less energy and protecting the environment.