Fosi Audio K7

Display, Bluetooth
Ratings
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Product details

The Fosi Audio K7 is designed as a powerful control center for your desktop audio system, offering versatility for music production, gaming, or work. The K7 handles everything with ease, equipped with the AK4493S DAC, the XMOS XU208 USB processor, and the TPA6120 headphone amplifier, supporting high-resolution decoding up to PCM 384kHz/32bit and DSD256. With an output power of up to 2100 mW, it can effortlessly drive even demanding headphones. It supports USB-C, coaxial, optical, Bluetooth aptX HD/LL, and a 3.5mm microphone input. Outputs include 4.4mm balanced, 3.5mm unbalanced, and RCA, making it easy to connect to headphones, active speakers, or amplifiers for desktop setups. The K7 is compact and user-friendly, featuring two large control buttons, five hotkeys, and an angled chassis for ergonomic comfort. A high-resolution display shows the status in real-time.

Key specifications

Wireless transmission
Bluetooth
Power supply
Electrical connection
Item number
57647046

General information

Manufacturer
Fosi Audio
Category
Headphone amplifiers
Manufacturer no.
K7
Release date
15.4.2025

Colour

Colour
Black
Exact colour description
Black

Headphone amplifier properties

Headphone Amplifier Features
Display
Wireless transmission
Bluetooth

Audio properties

Sample rate
384 kHz
Audio resolution
32 bits

Connections

Audio inputs
3.5mm jack (1x), Optical TOSLINK (1x)
Audio outputs
Headphone jack 3.5mm (1x), Stereo Cinch RCA (1x)

Power supply

Power supply
Electrical connection

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
Manual, Power supply, USB cable, Y-Audio splitter

Product dimensions

Length
155 mm
Width
95 mm
Height
55 mm
Weight
2000 g

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Headphone amplifiers» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Fosi Audio
    Not enough data
  • 1.Mackie
    0.7 %
  • 2.FiiO
    2.2 %
  • 3.iFi Audio
    4 %
  • Behringer
    Not enough data

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Fosi Audio
    Not enough data
  • 1.FiiO
    0 days
  • 2.iFi Audio
    8 days
  • Behringer
    Not enough data
  • Mackie
    Not enough data

Return rate

How often is a product of this brand in the «Headphone amplifiers» category returned?

Source: Digitec Galaxus
  • Fosi Audio
    Not enough data
  • 1.Behringer
    0.6 %
  • 2.Mackie
    1.2 %
  • 3.FiiO
    6 %
  • 4.iFi Audio
    8.2 %
Source: Digitec Galaxus