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Amplifiers & DAC


  • Utilises TI's TPA6120A2 current feedback headphone driver
  • Finely crafted with exquisite design
  • Synced power on/off with DAP
  • Various input ports
  • Balanced line output available
  • Expands USB DAC functions


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Product Details

Technical Features

Utilising TI's TPA6120A2 current feedback headphone driver, the K5 utilises exclusive technology to lower its output impedance to a transparent <1Ω and increase its maximum output power to up to 1.5W @ 32Ω. Utilising 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.

Besides the primary docking function, the K5 also has standard line inputs for other source components, and secondary dock input and USB passthrough input. Secondary dock input is for docking with X1/X3ii/X5ii/X7/E17K via exclusive USB cable instead of topside dock. By directly connecting to the USB source through USB IN port and receiving decoded line signal through the dock for amplification, the K5 realizes further amplification of DAC signal. Also possessing balanced line output function when docked to the X5II or X7, the K5 can be connected to other professional amplifier components for even better sound effect.


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.

Output Power  ≥1.5W (32 ohms loaded) 
SNR ≥110dB (A-weighted) [line in] 
Noise Floor <10µV [line in] 
THD+N <0.002% [line in] 
Power Supply           DC15V/1.5A 
Dimensions 120mm x 130mm x 55mm 
Weight 450g 
Compatible X1 / X3ii / X5ii / X7 

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