The Edison Professional PARTY SYSTEM 4000 delivers big sound at 4000 Watts Peak. It features Dual 15 inch LED Illuminated Tower Speakers. . Play sounds with Bluetooth, USB input,SD imput,MP3 Player or with built in DVD/CD player and FM Radio.Aux In. Has 2 wired microphones for Karaoke and remote control. Has large LED Display and Aux In.