Fosi Audio GR40

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Fosi Audio GR40

Fosi Audio GR40

Fosi Audio GR40 DAC Tube Preamplifier Headphone amplifier

Fosi Audio GR40 Product details

Multifunctional DAC Preamplifier: The GR40 is a versatile tube DAC preamplifier and headphone amplifier in one, it supports Bluetooth/USB/Optical/Coaxial inputs and active speakers/3.5mm headphone output, with a priority mode for headphones.

High-Resolution Decoding: With the ESS9028Q2M DAC chip, the preamplifier offers superior audio quality and flexibility. The USB sampling rate supports 32Bit/384kHz and DSD256, making an effective noise reduction to ensure lossless audio every time.

Advanced Bluetooth with Low Latency: Featuring the QCC3031 Bluetooth module, it supports aptX, aptX-HD, and aptX-LL codecs to provide detailed and clean audio sound. Also, you can get a relaxed experience with low latency when watching movies.

Compact yet Creativity: With its compact form and a combination of preamp volume, bass, and treble controls, the stereo preamplifier produces a sweeter, more organic sound while preserving the midrange and treble frequencies that make music.

User-Friendly Design: The digital-to-analog audio converter GR40 is designed with user convenience at its core, allowing you to toggle between different audio inputs and restore Bluetooth—a real Plug-and-plug DAC preamplifier without any driver.

Fosi Audio GR40 SPECIFICATIONS
Product type DAC
Preamplifier
Headphone amp
Inputs 1x USB-C
1x Optical Toslink
1x Coaxial
Bluetooth 5.1
Outputs 1x Stereo RCA
1x Jack 3.5mm headphone output
Channels Stereo (2)
SNR 103dB
Dynamic range 104dB
THD ≤ 0.03%
Headphone impedance 32Ω-300Ω
Headphone output power 300mW @ 16Ω
250mW @ 32Ω
50mW @ 250Ω
40mW @ 300Ω
Frequency response 20Hz-20kHz (±1dB)
Supported sampling rates PCM up to 32bit 384kHz
DSD up to DSD256
Bluetooth chips Qualcomm QCC3031
Bluetooth version 5.1
Max Bluetooth range 10m (clear of obstacles)
Supply voltage 12V DC
Dimensions 200 x 180 x 60mm
Weight 800g
Color Black
Package 1x Fosi Audio GR40
1x Bluetooth antenna
2x JAN5654W tubes
2x Decorative rings
1x Power adapter

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