FiiO K7 Desktop DAC and Headphone Amplifier with Balanced Headphone Outputs (Ships in 2-3 Weeks)
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Frequency Response Curve 1
Test conditions:USB input, -5dB Sinusoidal signal,High gain,6.35SE PO (32Ω loaded)
Red: left channel; Blue: right channel
Frequency Response Curve 2
Test conditions:USB input, -5dB Sinusoidal signal,High gain,4.4mmBAL PO (32Ω loaded)
Red: left channel; Blue: right channel
Frequency Response Curve 3
Test conditions:USB input, -6dB Sinusoidal signal,High gain,20Hz-50KHz,RCALINE OUT (10KΩ loaded)
Red: left channel; Blue: right channel
Frequency Response Curve 4
Test conditions:COAX input, -5dB Sinusoidal signal,low gain,6.35SE PO (32Ω loaded)
Red: left channel; Blue: right channel
Frequency response curve 5
Test conditions:COAX input, -5dB Sinusoidal signal,High gain,4.4mmBAL PO (32Ω loaded)
Red: left channel; Blue: right channel
Frequency response curve 6
Test conditions:COAX input, -5dB Sinusoidal signal,High gain,RCA LINE OUT (10KΩ loaded)
Red: left channel; Blue: right channel
Frequency Response Curve 7
Test conditions:OPT input, -5dB Sinusoidal signal,High gain,6.35SE PO (32Ω loaded)
Red: left channel; Blue: right channel
Frequency Response Curve 8
Test conditions:OPT input, -5dB Sinusoidal signal,High gain,4.4mmBAL PO (32Ω loaded)
Red: left channel; Blue: right channel
frequency response curve 9
Test conditions:OPT input, -6dB Sinusoidal signal,High gain,RCA LINE OUT (10KΩ loaded)
Red: left channel; Blue: right channel
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