Fiio K3 Compact Headphone Amplifier and USB Type-C DAC

Model #K3

Fiio k3 1
Fiio k3 1
Fiio k3 5
Fiio k3 4
Fiio k3 3
Fiio k3 2
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Specifications

Packaging Info

Box Dimensions (LxWxH) 5.9 x 3.6 x 1.3"
Package Weight 0.36 lb

General Information

Weight 2.9 oz / 82.0 g
Dimensions 2.8 x 2.3 x 0.9" / 70.0 x 58.0 x 22.0 mm
Power USB Bus Powered: 5 VDC 500 mA
Indicator LEDs Blue: Sample Rate ≤ 48 kHz Yellow: Sample Rate >48 kHz Green: DSD Format
Max Output Voltage 7.39 Vp-p
Max Output Current 81.6 mA
Crosstalk ≥70 dB (1 kHz)
Output Impedance <1.04 Ohms
THD + N ≤0.004%
Signal-to-Noise Ratio (SNR) ≥113 dB
DSD Format DSD256
DAC 384 kHz/32-Bit
Line Level 1.9 Vrms
Drive Ability 16 to 150 Ohms
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)
Opamp LPF OPAMP: TI OPA1612 Driver OPAMP: 2 x OPA926
DAC Audio DAC: AKM AK4452
Digital Outputs Coaxial: RCA for 192 kHz, Support DSD64 DOP Optical Out: Up to 96 kHz
Headphone Output Headphone Out 1: 1/8" / 3.5 mm Single-Ended Output Headphone Out 2: 2.5 mm TRRS Balanced Output
Line Out 1/8" / 3.5 mm
Bass Boost 0/+6 dB
Gain L/H
Volume Volume Knob: ADC
Frequency Range 20 Hz to 80 kHz
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)
Product Highlights
  • 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
  • DSD256 Support
  • Coaxial and Optical Digital Outputs
  • USB Cable Included
  • Includes 4 Spare Foot Pads
In The Box
  • FiiO K3 Compact Headphone Amplifier and USB Type-C DAC
  • Type-C USB Cable
  • 4 x Spare Foot Pads
  • Limited 1-Year Warranty
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