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Arylic S50 Pro+ - WiFi AptX HD Stereo PreAmplifier The Arylic S50 Pro+ is a premium wireless stereo preamplifier that enhances your audio system with high-definition streaming and versatile connectivity. Stream music seamlessly via WiFi, AirPlay, and Bluetooth 5.0 AptX HD for superior sound quality throughout your home. Key Features Wireless streaming via WiFi, AirPlay, and Bluetooth 5.0 AptX HD High-quality audio processing with ESS 9023 DAC and Cirrus Logic ADC Multiple inputs and outputs: RCA, optical, coaxial, subwoofer, and 12V trigger Supports lossless audio formats up to 24bit/192kHz Control whole-house audio with the free 4stream app for iOS and Android OLED display for clear device status and control Compatible with popular streaming services including Spotify, Tidal, Deezer, Qobuz and more Supports local playback from mobile devices, NAS, and USB drives Wireless Streaming and Connectivity Connect the Arylic S50 Pro+ to your stereo amplifiers, receivers, or powered speakers to stream music wirelessly. Enjoy high-definition Bluetooth streaming with AptX HD technology and seamless connectivity via WiFi and AirPlay. Premium Sound Quality Experience lossless audio with the ESS 9023 DAC and Cirrus Logic ADC. The S50 Pro+ supports FLAC, MP3, AAC, ALAC, APE, WAV and other formats, delivering CD-quality sound with a frequency response of 20Hz–20kHz and a signal-to-noise ratio of 110dB. Versatile Inputs and Outputs Connect a variety of audio sources and equipment with multiple interfaces: RCA analog input/output Optical input/output Coaxial output Subwoofer output 12V trigger output Micro USB input for PC streaming Ideal for vinyl players, TVs, CD players, active amplifiers, stereo receivers, and active subwoofers. Whole-House Audio Control Use the free 4stream app to group multiple Arylic units, allowing you to stream different music in each room or synchronise audio throughout your home. Control your entire audio system remotely with ease. Stream Your Favourite Music Services Access popular streaming platforms such as Spotify, Amazon Music (US only), Tidal, Deezer, Qobuz, Internet Radio, iHeartRadio, and Napster via the 4stream app. OLED Display The clear OLED display shows device status, input mode, volume level, and song information for intuitive control. Specifications User Interface & Controls LED Indicators: RED - Standby mode Display Power Button Functions: - Device on: Short press once to switch input mode; long press once to switch off; short press twice to disconnect WiFi or Bluetooth and enter pairing mode; short press three times to restore factory settings. - Device off: Short press to switch on. PC Compatibility: iTunes, MusicBee, Foobar 2000 Remote Control: Included 4stream App: Free for iOS and Android Audio Supported Formats: FLAC, MP3, AAC, AAC+, ALAC, APE, WAV Audio Decode: Up to 24bit/192kHz Audio Output: 44.1kHz/16bit (CD quality) Frequency Response: 20Hz–20kHz THD+N: 0.03% SNR: 110dB Online Music Services: Check here Local Storage: Mobile device memory, NAS, USB pen drive/stick General Weight: 0.4kg (0.88lb) Dimensions: 12 x 11.3 x 3.7 cm (4.72 x 4.45 x 1.46 in) Operating Temperature: 0~40℃ Connectivity WiFi: IEEE 802.11 b/g/n 2.4GHz Bluetooth: Bluetooth 5.0 Qualcomm aptX-HD, 10m range Wired Connection: Ethernet RJ45 Streaming Protocols: AirPlay, DLNA, UPnP, Spotify Connect, Qplay Interfaces DC Input: 12V/1A Audio Input: 1x RCA (1.3Vrms), 1x Optical in, Micro USB input for PC streaming Audio Output: 1x RCA (2Vrms), 1x Subwoofer (3.7Vrms), Optical output, Coaxial output USB Host: Supports USB pen drive/stick (up to 1000 songs) Antennas: WiFi/Bluetooth signal Package Includes Main unit x1 Antenna (3dB) x2 User's manual x1 2-1 RCA cables x1 2-2 RCA cables x1 Remote control x1 12V/1A DC power adapter x1