The HiBy RS6 is the world's first open Android fully discrete NOS R2R digital audio player (DAP), integrating cutting-edge audio technology with modern functionality. It features a completely new DARWIN architecture, utilizing a discrete non-oversampling resistor ladder DAC for high-quality audio performance. Powered by a Qualcomm Snapdragon 660 processor with 4GB RAM and 64GB internal storage, it supports expansion of up to 2TB via microSD cards. The device is equipped with a large 5-inch 1080p display, making it visually engaging while offering an intuitive interface through the Open Android 9 operating system. It employs a Direct Transport Architecture, ensuring bit-perfect audio transfer alongside USB DTA capabilities. Users can enjoy up to 16x MQA unfolding, allowing for high-resolution audio playback. The RS6 includes dual headphone outputs (3.5mm & 4.4mm) and dual line outs for versatile connectivity. It supports both 2.4G and 5G dual-band WiFi and Bluetooth 5 for a seamless wireless experience. With a battery providing approximately 8.5 hours of continuous playback, the RS6 merges advanced audio processing capabilities with modern digital conveniences.