New Fosi Audio GR40 Tube DAC Preamp Headphone Amplifier Review
Audio Examples and Technical Tests to help you Evaluate the Fosi Audio GR40.
Looking for a Versatile DAC with Quality Components that Performs Well at a Cost Below $110USD?
Audio Examples in this review include: Acoustic Guitar, Orchestral, EDM, Funk, and Metal.
Features and Specifications:
Inputs: USB C | Optical and Coaxial S/PDIF | Bluetooth
Outputs: 3.5mm Headphone | RCA Line
Channels: 2.0
SNR: less than or equal to 103dB
Dynamic Range: 104dB
Compatible Headphone Impedance: 32-300ohm
Headphone Output Power: 300mW @ 16ohm | 250mW @ 32ohm | 50mW @ 250ohm | 40mW @ 300ohm
Frequency Response: 20-20000Hz plug/minus 1dB
DAC / Sampling Rate: ESS9028Q2M | 32bit / 384kHz and DSD256
Bluetooth Version / Formats: 5.1 (QCC3031 module)| SBC /AAC / aptX HD / aptX LL
Tubes: GE JAN5654W x2
Power Requirements: 12VDC | Adapter Included
⚙️ More Information or to Purchase:
Fosi Audio GR40: https://amzn.to/3DrI528
🎼 Music:
Chirality by Mar Vei
Feel the Love by Vicki Vox
In My Lonely Room by Off Cuts
Mama Funk by Spring Gang
Multiverse by Brightarm Orchestra
To the Moon by Roots and Recognition
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🔥Related Videos:
Headphones: • Headphones
🎞 Timestamps:
00:00 Introduction: Build, Controls, and Connections
01:59 Audio Examples: GR40 vs Audient Nero Headphone Output
08:32 Comparing USB, S/PDIF, and Bluetooth Inputs Plug Bass and Treble Controls
10:26 Noise Floor Test
10:58 Highlighted Features and Specifications
11:34 Final Thoughts and Recommendations
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