It provides 265 drum sounds, 45 drum kits and 100 preset songs. The sound system is meticulously tweaked to give a deep, powerful bass. Drummers are able to plug their music playing device to the Aux In jack and play along to all of their favorite music. DD315 also features a USB connector that is compatible to all computers and mobile device for easy and quick connection. DD315 caters to both beginners and drummer enthusiasts and it is also great alternative to full size drum kit.