Fiio
First released in 2023
K9 AKM
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If you make a purchase, Linephaze may receive an affiliate commission.Specifications
dac resolution linear pcmUp to 32 bit / 768 kHz PCM, DSD 2.8 / 5.6 / 11.2 MHz
Digital InputsUSB B*1, Type-C*1, Single-ended Input Interface: RCA Socket, Balancing Line Input Interface: 4.4mm Balance Socket, Digital Fiber Input Interface: Optical Fiber Socket, Digital Coaxial Input Interface: RCA Socket
Sampling FrequenciesMaximum Supported Sampling Rate: USB DAC: 768kHz-32bit/DSD512, Coaxial: 192kHz-24bit, Fiber: 96kHz-24bit
Signal to Noise RatioSingle-ended Line Output: ≥119dB (A-weighted), Balanced Line Output: ≥128dB (A-weighted), Headset Output: ≥127dB (A-weighted), Balanced Headphone Output: ≥124dB (A-weighted)
THD + NSingle-ended Line Output: <0.00027% (1kHz/-0.7dB@10kΩ), Balanced Line Output: <0.00020% (1kHz/-1dB@10kΩ), Headset Output: <0.00026% (1kHz/-1.3dB@32Ω), Balanced Headphone Output: <0.00029% (1kHz/-9.5dB@32Ω)
Channel SeparationSingle-ended Line Output: ≥112dB (1kHz@10kΩ), Balanced Line Output: ≥122dB (1kHz@10kΩ), Headset Output: ≥76dB (1kHz@32Ω), Balanced Headphone Output: ≥116dB (1kHz@32Ω)
3rd party integrationFiiO Control: support, Bluetooth Format Indication: support, Sample Rate Indication: support
Output VoltageSingle-ended Line Output Level: 2.3Vrms (1kHz@10kΩ), Balanced Line Output Level: 4.7Vrms (1kHz@10kΩ), Headset Output: Peak Output Voltage: >21Vp-p, Balanced Headphone Output: Peak Output Voltage: >42Vp-p
Output ImpedanceHeadset Output: <1Ω (32Ω), Balanced Headphone Output: <1Ω (32Ω)
Dimensions (W x H x D)200 x 224.5 x 72 mm
Weight2.66 kg