DFPlayer Mini MP3 Player
$1.99
This MP3 Player is an open-source one—it’s cheap and small. It supports multiple control modes, and you only need two buttons to use its basic functions. You can connect it directly to a speaker (3W or less) to play music.
Product Introduction
- supported sampling rates (kHz): 8/11.025/12/16/22.05/24/32/44.1/48
- 24 -bit DAC output, support for dynamic range 90dB , SNR support 85dB
- fully supports FAT16 , FAT32 file system, maximum support 32G of the TF card, support 32G of U disk, 64M bytes NORFLASH
- a variety of control modes, I/O control mode, serial mode, AD button control mode
- audio data sorted by folder, supports up to 100 folders, every folder can hold up to 255 songs
- 30 level adjustable volume, 6 -level EQ adjustable
Pinout&Function
- VCC: Power output terminal. It’s recommended to input 5V, and the voltage must not exceed 5.2V.
- RX: Serial communication input terminal.
- TX: Serial communication output terminal.
- DAC_R: Right channel audio output. Connect it to the input of headphones or an amplifier.
- DAC_L: Left channel audio output. Connect it to the input of headphones or an amplifier.
- SPK_1: Speaker output 1.
- GND: Zero potential reference point. Connect it to the power supply’s GND or negative terminal.
- SPK_2: Speaker output 2.
- BUSY: Playback status output.
- USB-: USB communication negative terminal.
- USB+: USB communication positive terminal.
- ADKEY2: ADC trigger port 2.
- ADKEY1: ADC trigger port 1.
- IO2: Trigger port 2.
- IO1: Trigger port 1.
Application
- Car navigation voice announcements
- Voice prompts for road transport inspectors and toll booths
- Voice prompts for security checks at railway stations and bus stops
- Voice prompts in electric power, communications, and financial service halls
- Voice prompts for vehicle entry/exit channel verification
- Voice prompts at public security border control channels
- Multi-channel voice alarms or device operation guidance voices
- Safe driving voice prompts for electric tourist vehicles
- Voice alarms for mechanical and electrical equipment malfunctions
- Fire alarm voice prompts
- Automatic broadcasting devices for scheduled announcements
Shipping Cost
We only ship to the United States. Shipping costs are calculated based on the total order amount.
Shipping Method And Delivery Time
All orders will be processed and shipped within 72 hours of placing the order (excluding weekends and holidays). They will ship from Shenzhen, China, primarily via 4PX logistics. Depending on the destination and logistics conditions, other carriers such as DHL, FedEx, UPS, USPS, etc., may also handle the delivery. Estimated shipping time is 7-12 business days, with actual delivery occurring in 10-17 business days, depending on logistics conditions.
Payment:
We accept Visa, Master card, Maestro, American Express, JCB, Dinner's Club, Discover, Paypal, Apple Pay, Google Pay .

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