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File Reader with Class D Amplifier 5W Board UART / IO
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File Reader Board
With Class D Amplifier 5W Board UART / IO
This intelligent voice module embeds a sub-section I/O trigger, UART and ONE_LINE single bus serial port control. A 5W Class D amplifier circuit is integrated and can directly drive a 3~5W speaker at 4Ω. The module supports MP3 and WAV formats. Its Micro SD slot accepts cards up to 32GB. A Micro USB port allows you to simply power the contents of the Micro SD card.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Amplifier and file reader |
| Supported file formats | MP3 WAV |
| Supported sampling rates | 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48kHz |
| Amplification type | Class D |
| Output power | 5W @ 4Ω |
| Dynamic range | 90dB |
| SNR | 85dB |
| Supported file systems | FAT16/FAT32 |
| Max Micro SD storage | 32Go |
| UART Support | Up to 65535 tracks |
| I/O Support | Up to 255 tracks |
| Single bus ONE_LINE support | |
| General | |
|---|---|
| Supply voltage | 5VDC |
| Operating temperature | 20~85°C |
| Dimensions | 40 x 40 x 9mm |
| Input | Micro SD |
| Output | Solder pad |
| Output | Jack 3.5mm |
| Channel | 2 (Stereo) |
| Class | Class D / T |
| Amplifier chip | N/A |
| Power (W) | 5.0 |
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