Crown XLi 2500 Two-Channel 750W @ 4 ohm Power AmplifierThe XLI Series of power amplifiers from Crown represents a new era in affordable, quality power amplification. All four models in the series are powerful, rugged and reliable. They are suited for musicians, DJs, and entertainers as well as houses of worship, discos, and pubs. Features include RCA and XLR inputs, user selectable input sensitivity of 0. 755V or 1. 4V, Speakon and binding post outputs, stereo parallel bridge mono mode, power fault signal