Pinnacle Fast Track Ultra + Protools SE. Input impedance: 1000000 Ом, Signal-to-Noise Ratio (SNR): -103 dB, Dynamic range: 103 dB. Frequency response: 20 - 20000 Hz. Microphone Signal-to-Noise Ratio (SNR): -103 dB, Microphone dynamic range: 103 dB, Microphone Total Harmonic Distortion (THD): 0.002 %. Headphones working range: 600 Ом. Colour of product: Black, Silver