The  S3 is an extremely complete device combining the functions of STREAMER DAC and balanced   PREAMP Indeed, it relies on high-end components as well as a comprehensive chipset including a Burr-Brown PCM1894 ADC chip, an Amlogic A113X processor, an AK4493SEQ DAC chip and two OPA1612 operational amplifiers for signal preamplification. Packed with technology, the S3 integrates WiFi 6 and Bluetooth 5.3 with support for AAC and SBC codecs, and fsupports numerous streaming protocols: Roon Ready, Google Cast, Airplay 2, Spotify Connect, Tidal Connect and UPnP. In addition, it is capable of converting signals up to PCM 32bit 384kHz, allowing you to enjoy high-resolution audio streams. The Fosi Audio control application available on Google Play and the App Store offers a 5-band equalizer and full control of the device with multiroom streaming capability. In terms of connectivity it is also well equipped: LAN RJ45 port, Toslink input, HDMI ARC input, RCA input, Toslink output, RCA output, balanced XLR output and even an output for an active subwoofer. In short, the S3 will easily integrate into any existing HiFi system and quickly become one of its most essential components.