Pioneer CDJ-2000 Professional Multi Player. Frequency response: 4000 - 20000 Hz, Signal-to-Noise Ratio (SNR): 115 dB, Total Harmonic Distortion (THD): 0.0018 %. Audio formats supported: AAC, AIFF, MP3, WAV. Headphone connectivity: 3.5 mm. Compatible memory cards: SD. Power consumption (typical): 28 W