FOSI Audio GR40 18 W AV Control Amplifier  (Black)

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 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 Combining 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