FiiO K3 Compact Headphone Amplifier 384K/32Bit USB Type-C DAC

Item # FIIO8486 (Part # 8486)
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Item Description:
  • For Computers, iOS Devices & More
  • 3.5mm and 2.5mm Headphone Outputs + Line
  • Dual USB Audio Modes
  • Separate DAC Amp Functions
  • Hi-Res Certified with Velvet Sound Tech
  • Up to 384 kHz/32-Bit Support
  • Coaxial and Optical Digital Outputs
  • The FiiO K3 is a compact desktop headphone amplifier and USB Type-C DAC designed for use with any compatible USB device and supports USB Audio Class 1.0 (up to 96 kHz/24-bit) and 2.0 (up to 384 kHz/32-bit and DSD256). Designed to provide a hi-fi audio experience, the K3 presents your audio as it was intended by its creators. The K3 is equipped with an XMOS USB receiver chip, allowing the device to decode files up to 384 kHz / 32-bit PCM, as well as native DSD256 files. Digital processing is handled by the high-performance AKM AK4452 chip, which boasts 32-bit Velvet Sound technology and fully differential outputs for true balanced output, while two OPA926 op-amps and a TI OPA1612 low-pass filter (LPF) provide low-distortion, low noise, and high output swing with up to 320mW at 16 Ohms from the balanced output.

    • Be capable of decoding up to 384kHz/32 bit PCM and native DSD256
    • Equipped with XMOS U30881C10 USB receiver chip+AKM AK4452 DAC+ Op-amps OPA926x2 + LPF TI OPA1612
    • Modern USB Type-C input interface + Two modes of USB audio-USB 1.0 and USB 2.0
    • Multiple interfaces-Dual headphone jacks(3.5mm and 2.5mm) + 3.5mm line out + Coaxial and optical digital outs
    • More accurate ADC volume control +Gain and bass switches
    Boost your computer's sound
    Equipped with an XMOS U30881C10 USB receiver chip, the K3 is capable of decoding up to 384kHz/32 bit PCM and native DSD256.
     
    Finest componets for maximum potential
    The combination of high-performance AKM AK4452 DAC with low-distortion op-amps OPA926x2 and professional-grade LPF TI OPA1612 make up for a outstanding performance.
     
    Modern USB Type-C input interface
    The USB Type-C ensures a more reliable and stable connection. Moreover, the K3 implements overvoltage protection (OVP) and a double-filter circuit to ensure power supply stability.
     
    Two modes of USB audio
    In high-performance applications, you can use the 2.0 mode to enjoy up to 384kHz/DSD 256 decoding; For certain situations, you can use the 1.0 mode to enjoy up to 96kHz/24-bit PCM audio without needing any drivers.
     
    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.
     
    A tactile audiovisual experience
    The volume knob, with 45° notches etched onto its surface and perfectly sized to allow easy one-finger operation. Next to the volume knob is an RGB light that indicates what kind of digital audio is being input to the K3.
     
    Versatility from multiple interfaces
    Different connection options for different scenarios: 3.5mm single-ended and 2.5mm balanced headphone jacks + 3.5mm line out + Coaxial and Optical digital outs
     
    All-aluminum black body
    The all-aluminum black body has been painstakingly CNC-machined, anodized, and sandblasted to ensure that the K3 feels robust yet perfectly textured for a great feel in your hands.

     

    FiiO K3 Specs

    USB USB: Type-C
    USB Audio Class: UAC 1.0 + UAC 2.0
    USB Chip: XMOS XUF208
    USB Driver: ASIO/KS/DS/WASAPI/DSD DOP (Native)
    Frequency Range 20 Hz to 80 kHz
    Volume Volume Knob: ADC
    Gain L/H
    Bass Boost 0/+6 dB
    Line Out 1/8" / 3.5 mm
    Headphone Output Headphone Out 1: 1/8" / 3.5 mm Single-Ended Output
    Headphone Out 2: 2.5 mm TRRS Balanced Output
    Digital Outputs Coaxial: RCA for 192 kHz, Support DSD64 DOP
    Optical Out: Up to 96 kHz
    DAC Audio DAC: AKM AK4452
    Opamp LPF OPAMP: TI OPA1612
    Driver OPAMP: 2 x OPA926
    Output Power 1/8" / 3.5 mm Headphone Output
    220 mW (16 Ohms)
    120 mW (32 Ohms)

    2.5 mm Headphone Output
    320 mW (16 Ohms)
    200 mW (32 Ohms)
    Drive Ability 16 to 150 Ohms
    Line Level 1.9 Vrms
    DAC 384 kHz/32-Bit
    DSD Format DSD256
    Signal-to-Noise Ratio (SNR) ≥113 dB
    THD + N ≤0.004%
    Output Impedance <1.04 Ohms
    Crosstalk ≥70 dB (1 kHz)
    Max Output Current 81.6 mA
    Max Output Voltage 7.39 Vp-p
    Indicator LEDs Blue: Sample Rate ≤ 48 kHz
    Yellow: Sample Rate >48 kHz
    Green: DSD Format
    Power USB Bus Powered: 5 VDC 500 mA
    Dimensions 2.8 x 2.3 x 0.9" / 70.0 x 58.0 x 22.0 mm
    Weight 2.9 oz / 82.0 g
    FiiO K3 Compact Headphone Amplifier and USB Type-C DAC
    Type-C USB Cable
    4 x Spare Foot Pads
    Limited 1-Year Warranty
    This Kit Includes: