• The S15 is equipped with an open Android 12 operating system combined with a custom horizontal screen interface, allowing seamless installation and smooth use of major streaming music apps. It also supports Roon Ready, AirPlay, DLNA, and Bluetooth network streaming. Additionally, it is compatible with UPNP, SMB, and WebDAV protocols for playing songs from NAS, local area networks, or cloud servers. Furthermore, it supports direct local playback via built-in storage, TF cards, USB drives, or external hard drives.
• The S15 features the highly acclaimed AKM flagship DAC combinationAK4191 AK4499EX. Utilizing a newly designed fully separated digital/analog architecture, it enhances signal-to-noise ratio and minimizes various noise amplitudes. This design further purifies the background, improves resolution, and delivers sound with balanced dynamics, showcasing a relaxed and natural tonal charm.
• For the first time, FiiO players adopt two industry-renowned ACCUSILICON AS318-B series ultra-low phase noise femtosecond oscillators (45.1584MHz and 49.1520MHz), which undergo 100% selection to effectively reduce the impact of phase noise on audio signals. This ensures exceptionally high fidelity in decoding and unparalleled precision in digital output. When paired with power amplifiers or external DACs, the player delivers reference-grade sound performance.
• The S15 is equipped with a comprehensive array of digital and analog interfaces, including the newly added I2S output, AES input/output, coaxial input/output, HDMI input/output/ARC, RCA line output, optical input/output, and XLR balanced line output. With its standard chassis width of 430mm, the S15 seamlessly integrates with larger desktop audio systems, ensuring a more coordinated and aesthetically pleasing setup.
• With a 7.84-inch automotive-grade large color display and the new FiiO OS, the S15 showcases excellent adaptability across various usage scenarios. It supports local operation through dual knobs and dual virtual buttons, Bluetooth remote control, and app-based remote control, offering a versatile and user-friendly experience.