Fosi Audio GR40 Tube Preamplifier with DAC, Stereo Headphone Amplifier 3.5mm Home Audio for Active Speakers/Headphones, Digital to Analog Audio Converter Preamp with Bluetooth and USB/Opt/Coax
$39.99
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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 ES9028Q2M 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 Capable: 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
Output: RCA. 3.5mm Headphone Output SNR≥103dB；THD＜0.03%；Power Supply: 12V 1.5A; Bluetooth Codecs: SBC. AAC. aptX. aptX HD. aptX LL 1Multifunctional Preamp2ES9028Q2M DAC3QCC3031 Bluetooth Chip4Compact Size5Bass and Treble Controls1Ideal Partner to V32All-Aluminum Alloy3Rolling Vacuum Tubes4True Amplification5One-Click Switch1Home Theater2Headphone Experience3Wireless Streaming4Desktop Audio
Fosi Audio GR40 Tube Preamplifier with DAC, Stereo Headphone Amplifier 3.5mm Home Audio for Active Speakers/Headphones, Digital to Analog Audio Converter Preamp with Bluetooth and USB/Opt/Coax
$39.99
High-Resolution Decoding: With the ES9028Q2M 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 Capable: 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
Bluetooth connection by others. what to do?
Long press the Bluetooth reset button for 3 seconds; the Bluetooth indicator will flash. and the GR40 will enter pairing mode. Simply re-pair your device.
Can headphones and RCA outputs be used simultaneously?
The GR40 defaults to headphone priority output. To use RCA output. disconnect the headphones.
What are suitable tube models for replacement?
Tubes such as EF95. 6Ak5. 6AK5W. 403A/403B. 6J1. 6J1P. 6J2. 6J3. 6J4. 6J5 are compatible. You can test and choose according to your personal preference.
GR40 Vacuum Tube Preamp/Headphone Amp with DAC
Combining Vintage Warmth with Modern Clarity
Tube Preamp/Headphone Amp with DAC
Accurate Sound Across a Wide Frequency Range
Enhanced Audio Transmission with Bluetooth 5.1
Combining Vintage with Morden Technology
With Central Detents
Ideal Partner to V3In the Same Series and Form
CNC Integrated Design
With 5725W Tubes
Crafting Unique Tones
Quickly SwitchAmong 4 Digital Input Modes
Bluetooth connection by others. what to do?
Can headphones and RCA outputs be used simultaneously?
What are suitable tube models for replacement?