The Skytec STM-2250 is a compact 4-channel DJ mixer with built-in USB/SD Card MP3 player and integrated sound FX. The mixer supports 2 line level inputs for your CD media players, 1 phono input for a turntable, and includes a mic input. Capable of mixing 2 media sources at once with EQ control and crossfader for smooth transitions between your audio sources. The on board sound FX sampler features 8 unique sounds with speed and volume control. Perfect for aspiring DJs, entertainment venues, and more.