Total Harmonic Distortion: ≤0.1% Frequency Response: 20Hz~20KHz/±0.5dB S/N Ratio: ≥-80dB Max Output: 4V/MAX Input/Output impedance: Mic: 2.4KΩ Mono: 11KΩ Stereo: 100KΩ Parametric EQ: Hi: 12KHz±15dB Low: 80Hz/±15dB