{"product_id":"fosi-audio-s3-lite-hi-fi-network-music-streamer-digital-transport","title":"Fosi Audio S3 Lite Hi-Fi Network Music Streamer \u0026 Digital Transport","description":"\u003ch3\u003eFosi Audio S3 Lite Hi-Fi Network Music Streamer \u0026amp; Digital Transport\u003c\/h3\u003e  \u003cp\u003eBring modern wireless music streaming to your existing Hi-Fi system with the Fosi Audio S3 Lite Hi-Fi Network Music Streamer \u0026amp; Digital Transport. Designed for listeners who already own a quality digital-to-analog converter, the S3 Lite delivers high-resolution digital audio through USB, optical, and coaxial outputs without adding another DAC to the signal chain. Featuring dual-band Wi-Fi 6, Bluetooth 5.3, Apple AirPlay 2, Google Cast, Spotify Connect, TIDAL Connect, and Qobuz Connect, this compact streamer makes it easy to access your favorite music services and personal libraries. With support for PCM audio up to 32-bit\/768kHz through a compatible USB DAC over a wired Ethernet connection, the S3 Lite brings advanced network playback to traditional and modern stereo systems alike.\u003c\/p\u003e  \u003cp\u003eAt the heart of the S3 Lite is an Amlogic A113X streaming processor designed to manage network audio playback and deliver digital signals directly to an external DAC. Unlike conventional music streamers with integrated analog conversion, the S3 Lite is a dedicated digital transport, allowing your existing DAC to handle the conversion process. Its USB-A digital audio output supports PCM resolutions up to 32-bit\/384kHz over Wi-Fi and 32-bit\/768kHz over Ethernet, while its optical and coaxial digital outputs support PCM up to 24-bit\/192kHz. Fosi Audio specifies digital-output THD+N as low as 0.000003%, reflecting its focus on clean digital signal transmission for high-fidelity listening.\u003c\/p\u003e  \u003cp\u003eDesigned to fit naturally into today's connected audio systems, the Fosi Audio S3 Lite supports dual-band 2.4GHz and 5GHz Wi-Fi 6 networking and a dedicated 10\/100Mbps Ethernet connection. Stream music directly from compatible applications using Spotify Connect, TIDAL Connect, and Qobuz Connect, or use Apple AirPlay 2 and Google Cast to send audio from compatible smartphones, tablets, and computers. DLNA support provides access to compatible music stored on network-attached storage devices and media servers. For convenient everyday listening, Bluetooth 5.3 with SBC and AAC codec support also allows direct wireless playback from compatible devices without requiring a network streaming app.\u003c\/p\u003e  \u003cp\u003eMulti-room audio support makes the S3 Lite especially useful for listeners who want music throughout their home. With Apple AirPlay 2 and Google Cast, compatible speakers and streaming devices can be grouped for synchronized playback across multiple rooms. Add an S3 Lite or compatible S3 streamer to different audio systems to expand your listening experience while continuing to use your preferred DACs and amplifiers. The Fosi Audio App, available for compatible iOS and Android devices, simplifies initial network configuration, streaming management, and sound customization. A built-in 10-band equalizer provides adjustable frequency controls, allowing you to fine-tune the digital audio signal for your speakers, listening space, or personal preferences.\u003c\/p\u003e  \u003cp\u003eConnectivity is straightforward and flexible. The S3 Lite features three digital audio outputs: USB-A, optical TOSLINK, and coaxial S\/PDIF. Connect the streamer to an external DAC, such as the Fosi Audio ZD3, or another compatible component with a digital audio input. The dedicated 12V trigger output allows the S3 Lite to synchronize power operation with compatible DACs and amplifiers, making it easier to turn an entire listening system on and off together. A front-panel output selector provides convenient switching between USB and S\/PDIF output modes, while the included Bluetooth remote offers wireless control over playback and system functions from distances exceeding 15 meters under suitable conditions.\u003c\/p\u003e  \u003cp\u003eThe S3 Lite's minimalist design makes it an excellent addition to both desktop audio systems and traditional Hi-Fi racks. Its compact 5.79-inch-wide chassis features a clean matte-black finish, front-panel status indicators, and straightforward power and pairing controls. With no internal DAC, headphone amplifier, or analog output stage, the S3 Lite focuses on delivering digital music to the components you already own. Whether you're upgrading a traditional stereo system, building a modern streaming setup around a dedicated DAC, or expanding music playback throughout your home, the Fosi Audio S3 Lite delivers versatile connectivity, high-resolution digital audio, and convenient control in one compact component.\u003c\/p\u003e  \u003ch4\u003eSpecifications\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Fosi Audio\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e S3 Lite\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Network music streamer and digital audio transport\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAudio Channels:\u003c\/strong\u003e 2-channel stereo digital audio\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDigital Transport Design:\u003c\/strong\u003e Dedicated digital audio output without an internal DAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStreaming Processor:\u003c\/strong\u003e Amlogic A113X\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBuilt-In DAC:\u003c\/strong\u003e No; requires an external DAC or component with a compatible digital input\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNetwork Connectivity:\u003c\/strong\u003e Dual-band Wi-Fi 6 and wired Ethernet\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWi-Fi Standards:\u003c\/strong\u003e IEEE 802.11 a\/b\/g\/n\/ac\/ax\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWi-Fi Frequencies:\u003c\/strong\u003e 2.4GHz and 5GHz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEthernet Connection:\u003c\/strong\u003e 1 × RJ45 LAN input\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEthernet Speed:\u003c\/strong\u003e 10\/100Mbps\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth Version:\u003c\/strong\u003e Bluetooth 5.3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth Profiles:\u003c\/strong\u003e A2DP, AVRCP, and BTLE\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth Audio Codecs:\u003c\/strong\u003e SBC and AAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApple AirPlay:\u003c\/strong\u003e AirPlay 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGoogle Cast:\u003c\/strong\u003e Supported\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpotify Connect:\u003c\/strong\u003e Supported\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTIDAL Connect:\u003c\/strong\u003e Supported\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQobuz Connect:\u003c\/strong\u003e Supported\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDLNA:\u003c\/strong\u003e Supported\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRoon:\u003c\/strong\u003e Manufacturer advertises Roon Ready support; completed certification for the S3 Lite has not been independently confirmed\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMulti-Room Audio:\u003c\/strong\u003e Supported through compatible AirPlay 2 and Google Cast configurations\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNetwork Music Library Playback:\u003c\/strong\u003e Compatible DLNA servers and network music libraries\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStreaming Audio Input Methods:\u003c\/strong\u003e Wi-Fi, Ethernet, and Bluetooth\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum Network PCM Resolution:\u003c\/strong\u003e Up to 32-bit\/768kHz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum USB Output Resolution over Wi-Fi:\u003c\/strong\u003e PCM 32-bit\/384kHz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum USB Output Resolution over Ethernet:\u003c\/strong\u003e PCM 32-bit\/768kHz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum Optical Output Resolution:\u003c\/strong\u003e PCM 24-bit\/192kHz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum Coaxial Output Resolution:\u003c\/strong\u003e PCM 24-bit\/192kHz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth Audio Resolution:\u003c\/strong\u003e PCM up to 24-bit\/48kHz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAirPlay 2 Audio Resolution:\u003c\/strong\u003e PCM up to 16-bit\/48kHz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDigital Output THD+N:\u003c\/strong\u003e As low as 0.000003%, manufacturer specification\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTotal Digital Audio Output Types:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUSB Digital Audio Output:\u003c\/strong\u003e 1 × USB-A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOptical Digital Audio Output:\u003c\/strong\u003e 1 × TOSLINK\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCoaxial Digital Audio Output:\u003c\/strong\u003e 1 × coaxial S\/PDIF\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUSB Function:\u003c\/strong\u003e Digital audio output to a compatible external USB DAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUSB Audio Input:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDigital Output Selection:\u003c\/strong\u003e Selectable USB or S\/PDIF output mode\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExternal DAC Compatibility:\u003c\/strong\u003e Compatible USB, optical, or coaxial digital audio inputs\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e12V Trigger Output:\u003c\/strong\u003e 1 × 3.5mm connection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e12V Trigger Input:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e12V Trigger Function:\u003c\/strong\u003e Synchronized power control for compatible downstream DACs and amplifiers\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSound Customization:\u003c\/strong\u003e Integrated 10-band equalizer\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEQ Control:\u003c\/strong\u003e Adjustable through the Fosi Audio App\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eControl App:\u003c\/strong\u003e Fosi Audio App\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApp Compatibility:\u003c\/strong\u003e iPhone, iPad, and compatible Android phones and tablets\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesktop App:\u003c\/strong\u003e No dedicated Windows, macOS, or Linux app\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApp Functions:\u003c\/strong\u003e Network setup, streaming management, playback settings, and EQ customization\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRemote Control:\u003c\/strong\u003e Included Bluetooth remote\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRemote Operating Range:\u003c\/strong\u003e Greater than 15 meters under suitable conditions\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRemote Functions:\u003c\/strong\u003e Power, playback, and audio source control\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFront-Panel Controls:\u003c\/strong\u003e Power\/input switch and Bluetooth pairing\/output selection button\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInput Selection:\u003c\/strong\u003e Network or Bluetooth\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOutput Selection:\u003c\/strong\u003e USB or S\/PDIF\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth Pairing Reset:\u003c\/strong\u003e Supported through front-panel controls\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFactory Reset:\u003c\/strong\u003e Supported through front-panel controls\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFront-Panel Indicators:\u003c\/strong\u003e Network, Bluetooth, and output\/status LEDs\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNetwork Indicator:\u003c\/strong\u003e Displays Wi-Fi\/Ethernet connection status\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth Indicator:\u003c\/strong\u003e Displays pairing and connection status\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOutput Status Indicator:\u003c\/strong\u003e Displays selected USB or S\/PDIF output mode\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFirmware Updates:\u003c\/strong\u003e Network-based OTA updates\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePower Requirement:\u003c\/strong\u003e DC 12V\/1.5A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded Power Supply:\u003c\/strong\u003e External DC adapter\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChassis Width:\u003c\/strong\u003e 147mm (5.79 inches)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChassis Finish:\u003c\/strong\u003e Matte black\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBuilt-In Speaker Amplification:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpeaker Binding Posts:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStereo Speaker Pairs Powered Directly:\u003c\/strong\u003e 0\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeadphone Output:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAnalog RCA Outputs:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBalanced XLR Outputs:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAnalog Audio Inputs:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHDMI Inputs:\u003c\/strong\u003e 0\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHDMI Outputs:\u003c\/strong\u003e 0\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHDMI ARC\/eARC:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePowered Subwoofer Output:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDedicated Display Screen:\u003c\/strong\u003e No\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer Warranty:\u003c\/strong\u003e 24-month limited warranty\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded Accessories:\u003c\/strong\u003e Fosi Audio S3 Lite Streamer, DC power adapter, optical cable, Bluetooth remote control, and user manual\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eWhat It's Great At\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAdding Modern Streaming to an Existing DAC:\u003c\/strong\u003e USB-A, optical, and coaxial digital outputs allow the S3 Lite to deliver network music directly to your preferred external DAC without adding an unnecessary internal conversion stage.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eHigh-Resolution Digital Music Playback:\u003c\/strong\u003e Support for PCM audio up to 32-bit\/768kHz through USB over a wired Ethernet connection provides flexible high-resolution playback for compatible DACs and music sources.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eComprehensive Wireless Streaming Support:\u003c\/strong\u003e Wi-Fi 6, Bluetooth 5.3, Apple AirPlay 2, Google Cast, Spotify Connect, TIDAL Connect, Qobuz Connect, and DLNA provide extensive options for accessing digital music.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eFlexible Multi-Room Listening:\u003c\/strong\u003e Apple AirPlay 2 and Google Cast support synchronized audio playback across compatible devices and rooms, bringing your music to multiple listening spaces.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eCustomizable App-Based Sound:\u003c\/strong\u003e The Fosi Audio App provides network setup, playback management, and a 10-band EQ for adjusting frequency response to suit your system and listening preferences.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eConvenient Hi-Fi System Integration:\u003c\/strong\u003e A dedicated 12V trigger output, Bluetooth remote, compact matte-black chassis, and straightforward digital connectivity make the S3 Lite an ideal companion for compatible DACs and stereo amplifiers.\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eFAQ Section\u003c\/h4\u003e  \u003cp\u003e\u003cstrong\u003eQ: What is the Fosi Audio S3 Lite used for?\u003c\/strong\u003e A: The Fosi Audio S3 Lite is a dedicated network music streamer and digital audio transport designed to bring modern streaming capabilities to an existing Hi-Fi system. It receives music through Wi-Fi, Ethernet, or Bluetooth and sends digital audio to an external DAC through USB-A, optical, or coaxial outputs. Unlike the full Fosi Audio S3, the S3 Lite does not include a built-in DAC or analog outputs.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: What music streaming services does the Fosi Audio S3 Lite support?\u003c\/strong\u003e A: The S3 Lite supports Spotify Connect, TIDAL Connect, Qobuz Connect, Apple AirPlay 2, Google Cast, and DLNA. These technologies provide access to compatible streaming apps and network music libraries. Roon Ready is also advertised by the manufacturer, although native certification for the S3 Lite has not been independently confirmed.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Does the Fosi Audio S3 Lite support Apple AirPlay and Bluetooth?\u003c\/strong\u003e A: Yes. The S3 Lite supports Apple AirPlay 2 for streaming music from compatible Apple devices over a network. It also includes Bluetooth 5.3 with SBC and AAC codec support for convenient wireless audio playback from compatible smartphones, tablets, and computers.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Does the Fosi Audio S3 Lite have a built-in DAC?\u003c\/strong\u003e A: No. The S3 Lite is a pure digital transport and does not contain an internal digital-to-analog converter. It requires a compatible external DAC or audio component with a USB, optical, or coaxial digital input to convert the music signal for analog playback. It does not have RCA, XLR, or headphone outputs.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: What digital audio outputs does the Fosi Audio S3 Lite have?\u003c\/strong\u003e A: The S3 Lite includes three digital audio outputs: one USB-A, one optical TOSLINK, and one coaxial S\/PDIF. The USB connection is an audio output for an external DAC rather than a USB audio input. USB and S\/PDIF output modes can be selected using the front-panel controls, with the supported resolution depending on the output and network connection.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: What is the maximum audio resolution supported by the Fosi Audio S3 Lite?\u003c\/strong\u003e A: Through its USB digital output, the S3 Lite supports PCM audio up to 32-bit\/384kHz over Wi-Fi and 32-bit\/768kHz over a wired Ethernet connection. Its optical and coaxial outputs support PCM up to 24-bit\/192kHz. Playback resolution also depends on the music source, streaming protocol, connected DAC, and network configuration.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Can I control the Fosi Audio S3 Lite with an app?\u003c\/strong\u003e A: Yes. The Fosi Audio App is available for compatible iOS and Android devices and provides initial network setup, streaming management, and sound customization through a 10-band equalizer. The S3 Lite also includes a Bluetooth remote that allows convenient control from distances exceeding 15 meters under suitable conditions. There is no dedicated Windows, macOS, or Linux companion app.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Does the Fosi Audio S3 Lite have a 12V trigger?\u003c\/strong\u003e A: Yes. The S3 Lite includes one 12V trigger output through a 3.5mm connection. This allows it to synchronize power operation with compatible downstream DACs or amplifiers, helping simplify a multi-component Hi-Fi system. The trigger connection is used for power control and does not carry audio or provide an additional audio output.\u003c\/p\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":62887316914335,"sku":"FOS-S3LITE-BLK","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0495\/6910\/4031\/files\/f43c789c-80fd-4f6d-ace8-339e91fc2742.jpg?v=1791578817","url":"https:\/\/listenup.com\/products\/fosi-audio-s3-lite-hi-fi-network-music-streamer-digital-transport","provider":"ListenUp","version":"1.0","type":"link"}