Fosi Audio GR40 Röhren-DAC – Kopfhörer & Preamp – USB/Opt/Koax

The GR40 from Fosi Audio is a versatile tube DAC preamplifier and headphone amplifier in one. It supports Bluetooth, USB, optical, and coaxial inputs, as well as active speakers and 3.5mm headphone outputs, and features a priority mode for headphones. The USB sampling rate supports 32 Bit/384 kHz and DSD256, ensuring effective noise suppression and lossless audio playback. Equipped with the QCC3031 Bluetooth module, the GR40 supports aptX, aptX-HD, and aptX-LL codecs for detailed and clear sound with low latency. Thanks to its compact design and the combination of preamp volume, bass, and treble controls, the GR40 produces a smooth, organic sound while preserving the crucial mid and high frequencies for music. The digital-to-analog converter is designed with user-friendliness in mind, making it a true plug-and-play DAC preamplifier without the need for drivers.