FiiO K7 headphone amplifier / DAC

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FiiO K7 - Digital Analog Converter and Headphone and Preamplifier

A new baseline for balanced desktop sound

  • Balanced headphone amplifier
  • THX AAA 788+ amplifier technology
  • Dual AK4493S digital to analog converters
  • Multiple protection circuits / multiple independent voltage regulators
  • 12V/23W low-noise switching power supply included
  • RGB status indicator Three output modes
  • Two gain levels
  • Line-out / Pre-out / Headphone output (4.4mm Pentaconn / 6.35mm)

Truly balanced decoding

The FiiO K7 has a six-stage audio circuit with truly balanced analogue and digital sections. This helps to reduce crosstalk and reproduce the music to agreat extent, allowing you to better enjoy the purity of your music.

Democratized high-quality balanced amplification couldn´t sound better

Using the same THX AAA 788+ amplifiers as the K9 Pro, the FiiO K7 is capable of outputting 560mW into a 300Ohm load at 1% distortion. And 2000mW into 32Ohm load at 1% distortion. This ensures bot, low and high impedance headphones are powered with a plomb. And most important, it lets you experience your music at another level.

Dual AK4493SEQ – Rich and delicate overall sound

The left and right channels are ach equipped with an efficient high-performance AK4493SEQ. With this DAC´s, pleasant timbre, its rich and delicate overall sound will let you rediscover your music all over again.

Robust decoding capabilities – Take a trip around the music world

The XMOS XUF208 decoder chip uses dual clock management to handle various formats with ease. Allowing you to easily listen to many audio formats.

RGB indicator lights – For a colorful entrance

The RGB indication lights can display single colors as well as mixed colors, wit a unight light flow effect during power on/off or input switching. Dazzling and vidi light effects give your desk some much needed spice.

Multiple intelligent protection systems – Worry free listening

Overheating, overload, DC protection system ensure that the K7 always operates at its best. So you can always enjoy a wonderful listening experience in multiple scenarios.

Consistent inside and out – For pure clean listening

The K7 features a powerful design, consisting of multiple independent stages. With a voltage of each stage, being regulated by low-noise LDOs. Feeding this power design in an external 12V switching power supply. All in all, the K7´s power designed to supply plentiful, clean power for an extraordinary listening experience.

Two gain levels – Find a comfortable volume

The high and low hardware gain levels allow you to easily adjust the FiiO K7 to handle headphones of various impedances and sensitivity, for a rich and consistent listening experience.

Quality construction – For an elegant experience

The FiiO K7 features an all- aluminium alloy construction, carefully finished with CNC and other processes. Its elegant black colour is perfectly complemented by the gold accents of THX and Hi-Res Audio badges topped with a splash of colour from the RGB lights for a thoroughly luxurious appearance.

Precisely tuned volume – For truly moving experience

Thanks to the ADC curve reconstruction, you experience a smooth 112 step adjustable volume with the FiiO K7, free of channel imbalances and noise.


  • Power cable
  • Power adapter
  • USB cable
  • Quick start Guide


  • DAC: 2 x AK4493SEX
  • Decoder: XMOS XUF 208
  • Amplifier: Dual THX AAA 788+
  • Outputs front: 6,35mm / 4,4mm
  • Outputs back: Line-Out
  • Inputs back: Line-In, Coaxial, Optical, USB, Power input
  • Output power balanced: 2000mW @32Ohm
  • Output power single ended: 1220mW @32Ohm
  • SNR: 120db
  • Weight: About 610g
  • Dimensions: 120mm x 168mm x 55mm

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