The Pioneer DJM-500 Professional DJ Mixer is a high-quality 4 channel mixer designed for DJs. With digital inputs and outputs, it offers a delay effect for enhancing sound. The sleek black design in a tabletop form factor makes it easy to use on the fly. This unit, made by Pioneer DJ in Japan, also features a 3-band equalizer and a total of 2 sound options. With 2 buses and a 1U rack unit height, the DJM-500 is a versatile and reliable tool for any professional DJ. Unit is missing cross fader button and has been tested for power only.