The FiiO M15s begins a brand new chapter in the company's high-end category, incorporating the iconic technologies of larger desktop models into a sleek, portable device. At the heart of its digital-analog conversion is the top-tier high-performance ES9038PRO DAC, ensuring unparalleled clarity and detail in every musical piece. The device features innovative desktop/portable dual power supplies technology, allowing it to operate either with the internal battery or as a purely desktop system. When the dedicated Desktop Mode is activated with quick USB charging, the M15s fully bypasses the battery for maximum protection and delivers impressive continuous power of 1200mW+1200mW. For perfect customization to your headphones, it offers five gain levels, and the package includes the premium DK3S dock for optimal cooling and stability on your desk.

Based on the smooth and ultra-fast Qualcomm Snapdragon 660 processor with 4 GB RAM, the FiiO M15s runs a fully open Android 10 operating system. This allows the user to install any third-party applications they desire, such as Tidal, Spotify, Qobuz, and other popular streaming services, enjoying bit-perfect playback. In terms of wireless connectivity, the player incorporates the advanced QCC5124 chip with Bluetooth 5.0, providing full support for all high-res formats, including LDAC, aptX, aptX Adaptive, and aptX HD with bidirectional transmission like modern smartphones. Internet connection is seamless via Dual-Band Wi-Fi (2.4GHz and 5GHz). Although the internal storage is 64 GB, the device offers top-tier expandability, supporting microSD cards up to 2TB, so you can carry your entire lossless file collection everywhere with you.