Alesis NITRO AMP 70W Compact Personal Drum MonitorFor Nitro Drum owners in need of an alternative to headphones, the Nitro Amp provides a cost effective, moderate volume, space saving monitor solution that connects right to the drum rack and drum module. Nitro Amp is an affordable and compact personal monitoring solution for Alesis Nitro series eKits that is simple to setup and lets drummers hear themselves without the hassle of headphones. Features 3 Inch Full Range Composite Driver 70W Peak Power