USB Audio Interface for Recording Professional Sound Card with 48V Phantom Power Loop Back USB External Sound Card Plug and Play 0-Latency Monitoring for Music Concerts Recording Studios MIC INPUT 1-2(Balanced) Frequency Response: -1/1dB, 20Hz-20kHz Dynamic Range: 82dB, A-weighted THD+N 0.03%, 1kHz Maximum Input Level: +6dBu Input impedance 4k Ω Gain Range:+3dB -+60dB HI-Z INPUT2 (non-equilibrium) Maximum Input Level: +3.0dBV Input Impedance: 10K Ω -100K Ω Gain Range: 0dB -+40dB LINE INPUT 1/2 (Balanced) Maximum Input Level: +10dBu Input Impedance: 18.5k2 Gain Range: -10dB -+40dB Main OUTPUT (impedance balance) Frequency Response: -1/-1dB, 20Hz-20kHz Dynamic Range: 82dB, A-weighted THD+N 0.03%, 1kHz Maximum Output Level:+6dBu Headphone Output Impedance: 100Ω PHONES Maximum Output Level: 15mW+15mW, 40 Ω USB Full Speed: USB 2.0, 24 bit, 44.1kHz/48kHz/88.2kHz/96kHz/176.4kHz/192kHz XLR INPUT Polarity: 1: Grounding 2: Hot wire (+) 3: Cold wire (-) Power Requirement: DC-5V, supply current ≥ 1A Product Color: Black Product Size: 17.5 * 13 * 4.8cm/6.9 * 5.1 * 1.9inch