Product Name

DFPlayer

DFPlayer Pro

Gravity: UART MP3 Voice Module

Figure

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"

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

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

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