The Gemini CDM-4000BT USB/CD DJ Player is a versatile tabletop controller designed for DJs. With two phono inputs, one mic input, and two line inputs, this player allows for easy connection of various audio sources. The built-in mixer, pitch control, and jog wheel illumination offer advanced features for creating dynamic sets. The rack-mountable design and compact 1U height make it ideal for professional use. Additionally, the auto BPM function, tempo control, and USB compatibility enhance its functionality for a seamless DJ experience. The only issue with this is it is missing some of the knobs off of the sliding adjuster controllers , does not affect function or performance .