Fosi Audio GR40 Vacuum Tube Preamp with DAC Stereo Headphone Amplifier Home Audio Active Digital to Analog Audio Converter Preamp Input 3.5mm

---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ----------------------------------------------------------------------

[Multi-functional DAC preamplifier] GR40 is a multifunctional vacuum tube DAC preamplifier and headphone amplifier integrated product, which supports Bluetooth/USB/optical/coaxial input and active speaker/3.5mm headphone output, and has a headphone priority mode. 【High Resolution Decoding】Equipped with ES9028Q2M DAC chip, the preamplifier provides excellent audio quality and flexibility. The USB sampling rate supports 32Bit/384kHz and DSD256, providing effective noise reduction to ensure lossless audio at all times. 【Advanced Bluetooth with Low Latency】Equipped with QCC3031 Bluetooth module, supports aptX, aptX-HD, aptX-LL codec, provides detailed and clean audio sound. You can also get a relaxing experience with low latency when watching movies. 【Compact and Highly Functional】The combination of a compact shape and the preamp's volume, bass, and treble controls allows the stereo preamp to produce a sweeter, more organic sound while preserving the midrange and treble frequencies that make up your music. [User-Friendly Design] Digital-to-analog audio converter GR40 is designed with user convenience in mind, allowing you to switch between different audio inputs and restore Bluetooth. A true plug-and-plug DAC preamp with no drivers required. Fosi Audio GR40 Vacuum Tube Preamp with DAC Stereo Headphone Amplifier 3.5mm Home Audio Active Speaker/Headphone Digital to Analog Audio Converter Preamp Bluetooth/USB/OPT/COAX Input