Audio Mixer Portable 4-Channel DJ Mixer Console Mini Sound Mixing Board with USB BT 48V Phantom Power 3-band EQ Loopback Button Audio Console for Live Performances Studio Party Input/Output: 6.35mm Balanced Microphone Input: Type: XLR, balanced, split input Frequency Response Range: 20Hz-22KHz ± 1dB Distortion (T.H.D&N): 0.01% at+4dB, 1kHz, bandwidth 80kHz Decibel Signal-to-Noise Ratio: 110dB/112dB Gain Range:+10dB-60dB input Impedance: Approximately 2.60 k Ω balanced Line input: Balanced Input (type: 1/4 "TRS electronic balance connector) Frequency Response Range: 10Hz-60KHz ± 3dB Distortion (T.H.D&N): 0.01% at+4dB, 1kHz, bandwidth 80kHz Signal to Noise Ratio: ≥ 90dB Input Impedance (impedance): Approximately 20 k Ω balanced, 10 k Ω unbalanced Line Output: 6.35mm dual channel and mono output (type: 1/4 "TRS connector electronic balance, 1/4" TS connector unbalanced) Output Impedance (impedance): Approximately 240 Ω symm/ 120 Ω unbalanced DSP Core: ARM Cortex-M3 Converter: Dual channel 20 bit Delta ADC, signal-to-noise ratio ≥ 90dB, dual channel 20 bit analog-to-digital conversion, signal-to-noise ratio below 90dB. Two stereo lines in the channel IIS Digital Audio Output/Input Supports BT 5.0 connection Support Sampling Rate: 192kHz Total Harmonic Distortion: Lashin<0.03% @ 1kHz Maximum Input Level of Microphone: 16dBu Maximum Input Level of The Line: 30dBu Maximum Input Level of Stereo Sound: 20dBu Earphone Output: (2002) 300mW Other Outputs: 20dBu Equalizer: High frequency: 12KHz,/-15dB Low frequency: 80Hz,/-15dB Power Consumption: 10W Power Input: 100-240V AC03A50/60Hz Product Size: 15 * 17.7 * 4cm/5.9 * 7 * 1.6inch