GMI-Pro JET-8 Powered PA Speakers, 500W USB Input, LCD Display for Home or Professional Use Trapezoidal design: The trapezoidal design allows these speakers to serve multiple purposes High power: GMI Pro's 8'' powered jet series speakers provide an out-of-this-world 500w of peak power handling to produce pro audio quality sound USB/SD inputs: Built-in USD & SD inputs allow you to connect your iPod, MP3 player or any USB sound device to these speakers to amplify Recessed smooth molded handle: the smooth molded handle makes these speakers easily transportable Mountable: GMI Pro's powered speakers are mountable for use as a main speaker