Scratch-style 2-channel DJ mixer (gloss red). This new scratch-style 2-channel DJ mixer for Serato DJ Pro is ideal if you’ve experimented with battle mixing and scratching and want to expand your skills. Input: 2 x phono/line (RCA), 1 x MIC, 1 x AUX. Output: 1 x master, 1 x booth, 2 x phones. 2 ports USB type C for MAC or PC connection.