| Picture |
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| Name | DFPlayer | DFPlayer Pro | Gravity: UART MP3 Voice Module |
| SKU | DFR0299 | DFR0768 | DFR0534 |
| Storage | Storage Card Required | 128MB | 8MB |
| Sound Channel | Mono | Dual-channel | Mono |
| Analog U-disk Support | No | Yes | Yes |
| ADKEY Control Support | Yes | Yes | No |
| On-board Power Amplifier Support | Yes | Yes | Yes |
| Audio Format | MP3, WAV, WMA | MP3, WAV, WMA, FLAC, AAC, APE | MP3, WAV |
| Communication | UART | UART | UART |
| Operating Voltage | 3.3V/5V | 3.3V/5V | 3.3V/5V |
| Dimension | 20*20mm/0.79*0.79" | 23*24.5mm/0.91*0.96" | 22*30mm/0.87*1.81" |
| Price | $5.90 | $8.90 | $4.90 |
| Features |
1. Small size
2. Support IO, serial port and ADKEY control
3. Maximum support 32G of the TF card, suitable for occasions in need of
abundant audio files
|
1. Stereo dual-channel
output
2. Support four controlling modes: Arduino, AT command, on-board buttons,
and ADKEY
3. On-board 128MB high-speed storage, perfect for occasions in need of
storing small numbers of audio files
4. Support the USB cable to copy music
5. Can be used as a sound card for the PC or Raspberry Pi
|
1. DF-Gravity interface, easy to
connect
2. On-board 8MB storage
3.Support the USB cable to copy music
4. Suitable for playing sound effects and prompt sounds
|
