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Store Categories Store Categories BLUETOOTH AMPLIFIER HEADPHONE AMPLIFIER PREAMP DAC 2 CHANNEL AMPLIFIER 2.1 CHANNEL AMPLIFIER MONO AMPLIFIER SUBWOOFER AMPLIFIER Hot sale Other 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 Product Description About this item: 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 sa mpling 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 C ombining Vintage Warmth with Modern Clarity The GR40 supports USB, optical, coaxial, and Bluetooth inputs, making it compatible with a wide range of audio sources. The device includes input mode indicators for easy selection. With high-resolution DSD support, it delivers exceptional sound quality. Input: Bluetooth, USB, Optical, Coaxial 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 Q & A: Q: Bluetooth connection by others, what to do? A: 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. Q: Can headphones and RCA outputs be used simultaneously? A: The GR40 defaults to headphone priority output. To use RCA output, disconnect the headphones. Q: What are suitable tube models for replacement? A: 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. Copyright © 2023 Dianxiaomi On 22-Nov-2024 at 04:45:28 GMT, seller added the following information: