Bouncing is much more fun with music! Add this portable stereo and watch kids bust a move as they play on the inflatables! It is perfect for events with up to 150 people. Customer can plug in I-Pod, guitar, CD player or Karaoke player. Includes microphone, 2 speakers with 900 Watts of stereo power, 10" woofers, 1.25 compression drivers, a FX processor, FBQ feedback detection system and 8 channel mixer.