Frequency Frequency response dB @ RL = 10 K Ω, Uin = 0dBV THD @ Uin = 20 dBV 20Hz -0.32 0.69% 50Hz -0.13 0.20% 100Hz -0.05 0.08% 400Hz -0.01 0.02% 1KHz 0 <0.01% 5KHz 0.02 <0.01% 10KHz 0.08 <0.01% 15KHz 0.16 <0.01% 20KHz 0.29 <0.01% 30KHz 0.64 <0.01% 50KHz 1.58 <0.01% 100KHz -8.03 0.015%