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- SKU: 06959
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HW-247 DF MP3 Player Audio Voice Module
The HW-247 DF MP3 Player Audio Voice Module is a compact and versatile audio playback solution designed for embedded applications. Based on the DFPlayer Mini, this module supports MP3 and WAV formats and can be controlled either standalone or via UART serial communication with microcontrollers such as Arduino, ESP32, or STM32.
It features a built-in 3W mono amplifier for direct speaker connection, as well as DAC output for external audio amplification. The module reads audio files from a microSD card (up to 32GB, FAT16/FAT32 format) and plays them using simple command sequences or onboard buttons.
Ideal for DIY projects, talking gadgets, audio feedback systems, and interactive applications, the HW-247 delivers reliable and clear audio output in a small form factor.
Features
- Support mp3, WAV and wma decoding
- Support FAT16 and FAT32 file systems
- Support maximum 32g microSD card, 32g U disk and 64M byte nor flash
- Support sampling rate (kHz): 8/11.025/12/16/22.05/24/32/4 4.1/48
- 24 bit DAC output, dynamic range support: 90dB, SNR support: 85dB
- Various control modes are available: IO control mode, serial port mode and ad key control mode
- It can be used with power supply battery and loudspeaker.
- Up to 100 folders are supported, and 255 tracks can be
- allocated to each folder.
- 30 level volume adjustable, 6 level EQ adjustable
Specifications
- Working voltage: 3.3v-5v, 5V recommended, 5.2v maximum
- Interface: needle arrangement interface
- Dimension: 20.65mm x 20.45mm x 1.6mm
Applications
- car navigation voice broadcast
- road transport inspectors, toll voice prompts
- train station, bus station voice prompts security check
- electric power, telecommunications, financial operating room voice prompts
- the vehicle into or out of the channel to verify the voice prompts
- border control channel voice prompts
- multi-channel voice alarm or voice guidance equipment operation
- electric sightseeing bus safety with voice notices
- electrical and mechanical equipment failure alarm
- fire alarm voice prompts
- automatic broadcasting equipment, regular broadcast
Package Includes
- 1x HW-247 DF MP3 Player Audio Voice Module
Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)
