FiiO

FiiO - K3 USB DSD DAC/Amp

Product SKU: K3

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Regular price $109.99 Sale Save $-109.99 (Liquid error (sections/product-template.liquid line 193): divided by 0% OFF)

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  • For Computers, iOS Devices & More
  • 3.5mm and 2.5mm Headphone Outputs + Line
  • Dual USB Audio Modes
  • Separate DAC & Amp Functions

FiiO - K3 USB DSD DAC/Amp

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 accurately presents your audio as it was intended by its creators. Certified Hi-Res by the Japan Audio Society, 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.

For analog outputs, a 3.5mm single-ended connector is provided for use with your regular headphones, while a 2.5mm connector is designed for balanced headphones. Additionally, the K3 includes a 3.5mm line output for connecting to monitors or home theater setups. Should your speaker system, amplifier, or external decoder require a digital connection, the K3 is also equipped with RCA coaxial and optical connectors. Other notable features include a bass boost switch, a high/low gain level switch, and an ADC volume control, which ensures the user smooth level adjustments. The FiiO K3 includes a set of extra foot pads and a USB cable.

  • Compact desktop enclosure
  • Two USB audio modes (USB Audio Class 1 & Audio Class 2)
  • PCM 384 kHz/DSD256 decoding
  • Dual headphone outputs (3.5mm unbalanced and 2.5mm balanced) + 3.5mm line output
  • Dual digital outputs with RCA coaxial and optical connectors
  • ADC volume
  • Bass boost
  • High/low gain switch
  • Dual crystal oscillators
  • CNC / anodized / sandblasted aluminum
  • Balance boost output power
  • XMOS USB receiver chip
  • AKM AK4452 processor with 32-bit Velvet Sound technology
  • Low noise op-amps (OPA926 and TI OPA1612)
  • Over-voltage power protection and double-filter circuits for power stability
  • Includes USB cable and extra foot pads
Model Name K3 Color  Black
Weight 82g Dimensions 70×58×22mm
Volume Knob ADC Audio Input USB Type-C
USB Audio USB 1.0 / USB 2.0 USB Chip XMOS XUF208
USB Driver ASIO/KS/DS/WASAPI/DSD DOP(Native) DAC AKM AK4452
Driver OP AMP OPA926×2 LPF OP AMP TI OPA1612
Gain Boost L/H Bass Boost 0/+6dB
Headphone Out 1 3.5mm single-ended output Headphone Out 2 2.5mm TRRS balanced output
Line Out 3.5mm Coaxial Out RCA for 192kHz, support DSD64 DOP
Optical Out Up to 96kHz  Drive Ability 16-150 Ω
Output Power 1
(3.5mm headphone output)
220mW(16Ω); 120mW(32Ω) Output Power 2
(2.5mm headphone output)
320mW(16Ω); 200mW(32Ω)
Power Input Recommend DC5V 500mA Battery Capacity N/A
THD+N ≤0.004% Output Impedance <1.04 Ω
Frequency Response 20 Hz~80 kHz SNR >113 dB (A-weighted)
Line Level 1.9Vrms Crosstalk ≥70 dB (1 kHz)
MAX Output Voltage 7.39 Vp-p MAX Output Current 81.6 mA

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    FiiO - K3 USB DSD DAC/Amp

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