MP3 non -destructive decoding board comes with power amplifier MP3 decoder TF card U disk decoder player

MP3 non -destructive decoding board amplifier mp3 module mp3 decoder TF card U disk decoder

Module highlights:

● Super sound quality, on board the 2W single -sound channel power amplifier (5V power supply can reach up to 3W) to directly connect the speaker (recommended with a 4Ω 3W speaker), the 3.5mm gold -plated headset socket can connect the headset or external audio.

● With the MicroUSB power supply interface, use mobile power or USB charger to power through the mobile data cable. It can also use 3.7V lithium batteries and USB 5V power supply.

● Support the TF card (in -mobile phone in -mobile phone), U disk playback mode.

● With a speaker wiring terminal, it does not require welding to facilitate wiring.

● Module design is convenient to modify.

Product overview:

1) Support mp3 format, automatically played by power on, and the red LED indicator is updated when playing.

2) Support the U disk (test 32G), TF card (test 16G) playback mode; the default TF card mode on the off -power power, if the TF card does not automatically jump to the U disk mode, and both devices are installed, you can manually manually can manually be installed, you can manually manually can manually manuallySet up the playback mode, please see the key to explanation for details.

3) The key can adjust the upper and lower track switching, the volume+-, pause/play, mode switch, please see the key operation instructions for details.

4) The "single/full song" cycle can be set by the key button, and the power circulation of the off -line defaults to the full song, press the "Repeat" key to replace the loop mode

Key operation description

"Prev/V-" key: "Short pressing" is to switch "Previous" songs, "Long-press" is "decreased volume"

"Next/V ++" key: "Short press" is to switch "Next" song, "Long press" is "increased volume"

"P/P/Mode" key: "Short pressing" is "Play/Passing" switch, "Long press" is a U disk, TF card "mode" selection

"Repeat" key: "Short Press", which is a cycle switching for "single/full song" (no long press function)

Note: 1. "Long Press" Time about 2S

2. If the U disk mode is used, it is recommended that 5V power supply, and some U disks do not support 3.7V power supply.

Product specification parameters

Power supply range: 3.7 ~ 5.5V

Product size: 45mm*36mm

Exquisite double -layer board design, large -scale copper, stable and reliable.

The anti -static bag is exquisitely packed to avoid static damage during delivery.