The Arylic S50 Pro+ Wireless Stereo Preamp is an advanced audio device designed to provide high-quality wireless audio streaming and processing. The S50 Pro+ supports wireless streaming of audio content from various sources, including smartphones, tablets, computers, and online streaming services, via Bluetooth or WiFi connectivity. It serves as a stereo preamplifier, allowing users to control volume, input selection, and other audio settings before the signal is sent to power amplifiers or active speakers. The S50 Pro+ supports aptX HD, an advanced Bluetooth audio codec that delivers high-definition audio quality with minimal latency, ensuring superior sound reproduction over wireless connections. It features a high-performance ESS 9023 DAC (Digital-to-Analog Converter), renowned for its high-resolution audio processing capabilities, ensuring accurate and detailed audio playback. The S50 Pro+ supports multi-room audio playback, allowing users to synchronize music playback across multiple S50 Pro+ devices or other compatible Arylic products in different rooms of the house.The device is compatible with a wide range of audio formats, including MP3, AAC, FLAC, WAV, and more, ensuring compatibility with various audio sources and devices. Users can control the S50 Pro+ via the Arylic smartphone app, available for iOS and Android devices. The app provides intuitive controls for managing playback, adjusting volume, selecting music sources, and creating playlists. The S50 Pro+ supports high-resolution audio formats, allowing users to enjoy studio-quality sound with enhanced clarity and detail, making it suitable for audiophiles and enthusiasts. It features various connectivity options, including analog RCA outputs, optical (Toslink) output, and digital coaxial output, ensuring compatibility with a wide range of audio systems and equipment. The S50 Pro+ features a sleek and compact design, making it easy to integrate into existing audio setups without taking up much space. Arylic regularly releases firmware updates for the S50 Pro+, providing users with new features, performance improvements, and bug fixes to enhance the overall user experience.