High-resolution, accurate sound reproduction Supports lossless FLAC and APE formats for high-fidelity playback and preserves detail in complex recordings. Also reads common formats from MP3 to WAV without conversion, so your files play exactly as stored. Reliable wireless performance and interference handling Automatic frequency optimization reduces the impact of environmental interference for uninterrupted listening. Integrated 360° antenna provides even signal distribution for stable reception across the listening area. Low-energy standby mode conserves power when the unit is inactive. Simple, universal storage and playback USB direct access with plug-and-play support for U-disks; broad format compatibility means no manual file conversion or special software. Ideal for playing back large libraries from a single USB stick. Stable power and consistent signal delivery Designed for stable signal transmission to MP3 receiver modules using a high-quality 12V DC power connection. Reliable operation across different installation environments where a 12V supply is used. Key specifications and functions Audio formats: FLAC, APE (lossless); MP3, WAV (and other common file types) Storage interface: USB direct access, plug-and-play for U-disks Antenna: integrated 360° coverage Power: 12V DC input Features: automatic frequency optimization, low-energy standby Practical applications Home audio systems: Upgrade an existing stereo or streamer to handle lossless files and USB playback without extra conversion steps. 12V-powered installations and receiver modules: Use in car audio projects, portable setups, or custom installations that rely on a 12V DC supply. Small commercial or public spaces: Reliable background music playback via USB with stable wireless reception and minimal maintenance. Why this product matters Keeps your original audio quality intact by supporting lossless formats and common compressed files without conversion. Reduces dropouts and interference with automatic frequency tuning and a full-coverage antenna. Simplifies setup: plug in a USB drive, power with 12V DC, and play — suitable for installers, hobbyists, and users who need dependable, high-quality audio playback.