Fiio K7 Desktop DAC and Headphone Amplifier

The Fiio K7 is the classic gateway to serious desktop headphone audio: dual AKM AK4493SEQ DACs, dual THX AAA 788+ amplifier modules, and a full 2000mW per channel of balanced power at a price that undercuts nearly everything with this feature set. Four inputs and true balanced architecture make it a standard recommendation for a first real desktop rig.

Type and Technology

One AK4493SEQ per channel feeds a fully balanced six stage circuit ending in dual THX AAA 788+ modules, the same amplifier technology used in the flagship K9 series. The XMOS USB controller supports PCM to 384kHz/32-bit and DSD256, with coaxial, optical, and RCA line inputs alongside USB for consoles, TVs, and other sources.

Sound Character

Neutral with a hint of AKM smoothness and warmth, the K7 sounds notably spacious for its class, with wide stereo separation and a clean, black background. It drives everything from sensitive IEMs to 300 ohm dynamic headphones without strain.

Build and Features

The compact chassis offers 6.35mm and 4.4mm balanced headphone jacks, RCA line out with three output modes covering headphone, fixed line, and preamp use, two gain levels, and an RGB light bar that shows the incoming sample rate at a glance. Browse more desktop DACs and the full Fiio collection at Mimic Audio.

Best For

First balanced desktop setups and anyone who wants proven THX amplification and honest power on a sensible budget.

What's in the Box

• Fiio K7
• Power adapter and AC cable
• USB data cable
• Quick start guide and warranty card

Specifications