Fosi Audio K5 PRO

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Product details

The Fosi Audio K5 Pro is a next-generation audio converter with outstanding performance and rich audio details. The stereo DAC headphone amplifier is perfect for your home gaming system and is compatible with PlayStation, computers, PCs, Macs, and active speakers. The K5 Pro USB DAC converts USB Type-C, optical, and coaxial signals into 3.5 mm AUX and RCA signals with low distortion and a wide dynamic range. With the 2-in-1 USB Type-C interface featuring a charging port and audio input, the K5 Pro easily connects to your mobile devices (Note: Your audio source must be connected to the USB-A/C port). The RCA output can be connected to an amplifier or active speakers on your desktop. The 3.5 mm AUX and microphone interface can drive headphones ranging from 16 to 300 Ohms. The K5 Pro headphone DAC includes the Texas Instruments NE5532 operational amplifier chip.

Key specifications

Headphone amplifier application area
Gaming
Power supply
Electrical connection
Item number
57647033

General information

Manufacturer
Fosi Audio
Category
Headphone amplifiers
Manufacturer no.
K5 PRO
Release date
15.4.2025

Colour

Colour
Grey
Exact colour description
Grey

Headphone amplifier properties

Headphone amplifier application area
Gaming

Audio properties

Recommended headphone impedance
16 - 300 Ω (ohm)
Sample rate
192 kHz
Audio resolution
24 bits

Connections

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

Power supply

Power supply
Electrical connection

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
3.5 mm headphone splitter, optical cable, operating instructions

Product dimensions

Length
80 mm
Width
90 mm
Height
30 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
    2.3 %
  • 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
    8.4 %
Source: Digitec Galaxus