The Gemini CDM-4000BT CD/MIXER Combo Player with BT Input is a powerful, cost-effective tool that provides easy-to-use track search and playback features across dual CD decks. Combining practical functionality with the control of a central mixer section, the CDM-4000BT offers a versatile, all-in-one solution for mobile DJ rigs, as well as bar and club installations. Combining powerful functionality with affordability, the CDM-4000BT offers versatile, all-in-one solution for mobile DJ rigs, club and bar installations.