Pinnacle Fast Track Ultra. Input impedance: 1000000 Ом, Maximum input level: 14 dBV, Signal-to-Noise Ratio (SNR): -103 dB. Frequency response: 20 - 40000 Hz, Audio quality: 24 bit, Sampling rates: 96 kHz. Microphone variable gain: 60 dB, Microphone Signal-to-Noise Ratio (SNR): -103 dB, Microphone dynamic range: 103 dB. Headphones maximum output: 0 dBV, Headphones working range: 24 Ом, Headphones Signal-to-noise Ratio: 96 dB. Interface: USB