This DJ system delivers all the power from the high end to the low end with these hard hitting 12,000 Watt a side LED speakers. The Gemini CDM-4000 dj mixer enables you to control music from your cd/phone/laptop/usb or any other device with the proper cable. The AKG K240 professional studio headphones are the industry standard for listening to your music mixes at the best quality. All your cables are included so all you have to do is plug and play!