FiiO K5 Pro Desktop DAC & Headphone Amplifier


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  • AKM AK4493EQ DAC chips
    The K5 Pro is equipped with AKM’s AK4493EQ DAC chips - known for its smooth, pleasant yet detailed sound due to its high signal-to-noise ratio and low distortion. Audio up to 768kHz/32 bit sampling rates and bit-depths are supported as well as native DSD

    XMOS USB Audio
    We elected to use the XMOS XUF208 microcontroller for its stability, powerful functionality, and its proven reliability.

    Utterly precise volume control
    When the NJRC NW1195A analog volume adjustment chip is paired with the combination of the flagship TI TPA6120 op-amp and the OPA1642 JEFT op-amp,the K5 Pro provides wonderfully smooth,yet high resolution sound.

    ADC volume control
    The use of ADC volume control can not only eliminate channel volume imbalances, but also allows the user to smoothly adjust the volume to a more accurate and finer degree to boost headphones of all kinds of sensitivity for a variety of listening needs.

    All-aluminum black body
    The all-aluminum black body has been painstakingly CNC-machined, anodized, and sandblasted to ensure that the K5 Pro feels robust yet perfectly textured for a great feel in your hands.

    Gain switches
    With the K5 Pro, you can switch between low ,medium and high gain levels (depending on how much driving power your headphone needs) .

    Unique RGB status lights
    With the K5 Pro,the RGB light indicator that surrounds the volume knob lights up with different colors,you can quickly identify the current sample rate.

    48kHz and Below:Blue light flashing

    48kHz and above: Yellow light flashing

    DSD: Green light flashing

    Getting precise with toggle switches
    Both the input selection(USB DAC/SPDIF IN/LINE IN) and gain(Low 0db/Medium+6db/High+10db)so that it's easily for you to control your music

    Versatility from multiple interfaces
    Different connection options for different scenarios: Coaxial/Optical/RCA line-in +6.34mm(1/4 in.) headphone outputs/RCA line-out

    Extremely Powerful headphone amplification
    With the K5 Pro we have redesigned and further optimized the audio circuit to squeeze out every last drop of potential from the TPA6120, for a total power output of up to 1.5W under a 32ohm load,and up to 20Vpp at 300ohm.

    Safe,Secure,and robust external power supply
    The K5 Pro uses a DC 15V power supply designed to specifically minimize noise.This effectively suppresse power supply ripple and minimizes power supply crosstal betweek the two major sections of the sircuit,for a more stable and less noisy power that is crucial for outstanding sound for such a precisely-designed high preformance audio architecture.

  • Dual AK4493 DAC chips for the ultimate in decoding performance, supporting up to 768kHz/32bit and native DSD

    Equipped with XMOS XUF208 USB receiver chip+AKM AK4493 DAC+ Op-amps OPA1642 + flagship TI TPA6120

    Extremely powerful headphone amplification for a total power output of up to 1.5 W under a 32Ω load, and up to 20Vpp at 300Ω

    Multiple interfaces- headphone jacks(6.35mm) /RCA outputs+ USB Coaxial, Optical, and Line-in inputs

    More accurate ADC volume control +Gain and bass switches

  •   K5 Pro K5 K3
    Color Available Black Titanium Black
    Power Supply DC 15V DC 15V USB 5V
    USB USB B USB B Type C
    USB Support 768kHz/32b hardware native × 768kHz/32b hardware native
    DSD decoding DSD decoding
    Coaxial In × ×
    Optical In × ×
    Line IN RCA RCA+Dock ×
    Headphone out 6.35mm 6.35mm 3.5mm+2.5mm
    Line Out RCA RCA+3.5mm 3.5mm
    Coaxial Out × ×
    Optical Out × ×
    BASS × ×
    Gain Control L/M/H L/M/H L/H
    Phone decoding × ×
    Indicator light RGB(Blue/Yellow/Green) Red/Blue RGB(Blue/Yellow/Green)
    DAC Chip AK4493 × AK4452
    AMP Chip TPA6120 TPA6120 OPA926
    Output Power (headphone output) 1.5W 32Ω 1.5W 32Ω 120mW 32Ω (PO)
    200mW 32Ω (BAL)
    Audio Performance (DAC Section)
    SNR ≥115dB(A-weighted) ≥110dB(A-weighted) AUX >113 dB(A-weighted)
    THD+N(AUX) <0.004% <0.002% ≤0.004%
    Noise(AUX) <8uV <10uV <8uV
    Crosstalk(USB) >75 dB >70 dB >70 dB