Fosi Audio GR40 Röhren-DAC – Kopfhörer & Preamp – USB/Opt/Koax

USB-DAC, aptX, Bluetooth
Delivered between Tue, 23.6. and Wed, 8.7.
5 items ordered
free shipping

Product details

Key specifications

Wireless transmission
aptXBluetooth
Power supply
Electrical connection

General information

Item number
67533392
Manufacturer
Fosi Audio
Category
Headphone amplifiers
Manufacturer no.
GR40-12V
Release date
24.2.2026

Colour

Colour
Black
Exact colour description
Black

Headphone amplifier properties

D/A converter type
ES9038Q2M
Headphone Amplifier Features
USB-DAC
Wireless transmission
aptXBluetooth

Audio properties

Sample rate
768 kHz
Audio resolution
32 bits

Connections

Audio inputs
USB-BUSB-C
Audio outputs
Headphone jack 3.5mm (1x)Headphone jack 6.3mm (1x)

Power supply

Power supply
Electrical connection

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
29.26 kg
Climate contribution
CHF 0.70

Scope of delivery

Scope of delivery
Power supply

Product dimensions

Length
166 mm
Width
105 mm
Height
35 mm

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

Compare products

Goes with

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
    1 %
  • 2.iFi Audio
    2.7 %
  • 3.FiiO
    3.1 %
  • 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
    5 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
  • 1.Behringer
    1 %
  • 2.FiiO
    5.3 %
  • 3.Fosi Audio
    5.7 %
  • 4.iFi Audio
    11.3 %
  • Mackie
    Not enough data
Source: Digitec Galaxus