Pinnacle Fast Track Ultra 8R. Input impedance: 1000000 Ом, Maximum input level: 12 dBV, Signal-to-Noise Ratio (SNR): -107 dB. Frequency response: 20 - 20000 Hz, Sampling rates: 48 kHz. Microphone Signal-to-Noise Ratio (SNR): -106 dB, Microphone dynamic range: 106 dB, Microphone Total Harmonic Distortion (THD): 0.0028 %. Headphones maximum output: 2.8 dBV, Headphones Signal-to-noise Ratio: -104 dB, Headphones Total Harmonic Distortion: 0.003 %. Colour of product: Black, Silver