Technical Pro DJ5U Professional 4 Channel Mixer with USB - SD Card Inputs Type: Mixer Inputs: RCA (6 Stereo, 2 Phono), AUX (1/8'), USB, SD Card Two Microphones inputs: XLR & 1/4' with bass, treble and volume controls Outputs: RCA (Master, Record) Headphone output: 1/4' Channel: 4 Signal-to-Noise Ratio: >90dB Total Harmonic Distortion: Dimension: 3.30 x 19.00 x 9.00 (H x W x D) Weight: 7 lbs.