The LG XBOOM plays at a powerful 500W! Key input features of this speaker include 2 USB, 1 MIC, and guitar inputs. Karaoke features include karaoke playback, echo and vocal effects. DJ features include DJ Wheel, DJ Loop, DJ Pad, Sampler Creator, and other various effects. Connect up to 3 devices over bluetooth. Other cool features include multi-color LED lighting and Bass Blast+. Download the LG XBOOM app for extra music and sound control.