High-performance audio decoder and player – clear, compatible, and easy to update Key benefits Accurate playback across common sample rates: supports 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48 kHz to ensure compatibility with a wide range of source files and recordings. High-fidelity output: 24-bit output with a 90 dB dynamic range delivers detailed sound and preserves subtle audio nuances. Low noise floor: signal-to-noise ratio of 85 dB reduces background hiss and keeps voice and music intelligible. Simple content updates: accepts TF (microSD) cards up to 32 GB for large playlists and straightforward file replacement. Wide file format support: decodes both MP3 and WAV so you can use compressed or uncompressed audio without conversion. How this solves common problems Eliminates format and sample rate mismatch headaches by supporting multiple standard sampling rates and both MP3 and WAV formats. Improves perceived audio quality in environments where clarity matters, thanks to 24-bit output, wide dynamic range, and high SNR. Reduces maintenance time for content changes: update or swap audio files quickly by replacing the TF card. Performance and compatibility at a glance Supported sampling rates (kHz): 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 Output: 24-bit Dynamic range: 90 dB Signal-to-noise ratio: 85 dB Storage: TF card up to 32 GB Supported formats: MP3, WAV Practical use scenarios Retail or hospitality background music: load curated playlists on a 32 GB TF card and play high-quality audio with low noise for an improved customer experience. Museum exhibits and kiosks: use clear WAV or MP3 narration and sound effects; easily update content between exhibits by replacing the TF card. Public information and announcements: deliver intelligible spoken messages or alerts with strong SNR and wide dynamic range for busy or noisy spaces. Technical reliability and user convenience Broad sampling rate and format support ensures the unit integrates with existing audio sources and production workflows. Removable TF card storage makes content management fast and low-cost, ideal for frequent updates or seasonal changes. Audio quality specs (24-bit, 90 dB dynamic range, 85 dB SNR) provide a measurable improvement over basic playback modules for professional applications.