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FiiO K5 Docking Headphone Amplifier/DAC TITANIUM - Open Box

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$154.99 sale $129.99

FiiO Authorised
FiiO K5  Low Stock : Order Soon 129.99
EAN : 6953175710042  5% Price Promise
Warranty : 1yr Manufacturer 14 Day Money Back

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Docking Headphone Amplifier / DAC-K5

An Exclusive Ride for FiiO Players

FiiO X series music players X1, X3II, X5Il X7 and the DAC/amp E17K utilize a 11-pin micro USB port, and may realize exclusive docking expansion functions such as amplification and charging.

High Power Output Driving Full-size Headphones with Ease Current Feedback Amplification with Low Output Impedance

Utilizing TI's TPA6120A2 current feedback headphone driver, the K5 utilizes exclusive technology to lower its output impedance to a transparent < 10 and increase its maximum output power to up to [email protected]Ω Utilizing an extra current amplification stage and comprising an internal high efficiency, low noise power supply, the K5 has high current output, satisfying highly dynamic program material, and has three gain settings suitable for headphones of different sensitivities.

Finely crafted with Exquisite Design

Compared to the last-generation E-series products, the K5 has made breakthrough strides in exterior design and craft, with lower tolerances for all joints and seams, more high-quality sanded surface finish and an indented front bezel assembly for a further upgrade in appearance.

Synchronized Power On/Off for Maximum Convenience

When the K5 powers on/off, the docked X1, X3II, X511, X7 or El 7K will power on/off in sync, a great convenience for users and a sign of complete integration of the docked devices.

A Rich Set of Input Ports for Different Uses

Besides docking function, the K5 also has standard line inputs for other source components, and secondary dock input and USB passthrough input.

Expands USB DAC functions of Fiio players

The K5 realizes further amplification of X3II/X5II/X7/E17K's DAC signal by directly connecting them to USB source through USB IN port and receiving the decoded line signal through the dock for amplification. (USB DAC driver installations for X3II/X5II/X7/E17K require where applicable).

Balanced Line Output for Double the Fun

Besides regular RCA line output, the K5 also possesses balanced line output function when docked to the X511 or X7, and can be connected to other professional amplifier components for even better sound effect.


  • Model/Number: K5
  • Dimensions: 120mm x 130mm x 55mm
  • Weight : 450g
  • Headphone Port: 6.35mm Stereo Jack
  • Drive Ability: 16~300Ω
  • Volume Control: Via analog potentiometer (incl. power switch)
  • Low: 0dB
  • Mid: 6dB
  • High: 12dB

Partial Performance Parameters for Headphone Output

Line Output Level and TND+N
  • K5→X1: 1.37V (THD+N: 0.008%)
  • K5→X3II: 1.36V (THD+N: 0.008%)
  • K5→X5II: 1.05V (THD+N: 0.004%
  • K5→X7: 1.90V (THD+N: 0.004%)
  • K5→E17K: 1.50V (THD+N: 0.009%)

Partial Performance Parameters for Balance Line Output

Line Output Level and TND+N
  • K5→X5II: 1.05V(THD: 0.004%)
  • K5→X7: 1.90V(THD: 0.004%)

Power and Battery

  • Power: DC 15V/1.5A
  • Battery Capacity: No battery

More Product Options

The K5 line by FiiO

FiiO K5 Docking Headphone Amplifier/DAC TITANIUM - Open Box
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