MP3 Player Module with 2W Onboard Amplifier

Overview

This is an MP3 player mode with 2 W integrated amplifier. It supports MP3 format, auto play after power-on , and update the red LED indicator when playing. Support U disk ( 32G tested ), TF card ( 16G tested ) playback mode; power on the default TF card mode, if there is no TF card, it will automatically jump to U disk mode, and both devices are installed, you can manually Set the playback mode, please refer to the button operation instructions for details. The button can adjust the upper and lower track switching, volume +- , pause / play, mode switching, please see the button operation instructions for details. Press the button to set the "single / full song" cycle, the power-on default full song cycle, press the " Repeat " button to change the cycle mode.

Specifications

• Supply Voltage: 3.7 V to 5.5 V
• Dimensions 45 x 36 mm
• Powered via USB or micro USB
• Terminals for connecting the speakers so there is no need for bonding wires
• Supports MP3 format
• U card support (tested 32 GB) or TF card (16 GB tested)
• button Prev / V - short press to change the song, long press the volume
• Next button / V + short press to change the song, long press the volume
• the P / P for Play / Pause
• Repeat button: click once to repeat the current track, one more push to the entire playlist (not according Hold)
• Hold approximately 2s

Features

● Superior sound quality, the onboard 2W mono amplifier ( 5V power supply can reach 3W ) is directly connected to the speakers ( 4 Ω 3W speakers are recommended ), and the 3.5mm gold-plated headphone socket can be connected to headphones or external speakers.

● With Micro USB power supply interface , use mobile power or USB charger to supply power through the mobile phone data line , or 3.7V lithium battery, USB 5V power supply.

● Support TF card (mobile phone internal storage card), U disk play mode.

●The terminal block with horn does not require welding, which is convenient for wiring.

● Modular design is convenient for modification.

Key Operation Instructions

" Prev/V-- " key: "short press" to switch the "previous" song, "long press" to "decrease volume"

" Next/v++ " key: "short press" to switch "next" song, "long press" to "volume increase"

" P/P/Mode " key: "Short press" for "play / pause" switch, "long press" for U disk, TF card "mode" selection

" Repeat " key: "Short press", it is "single song / full song" cycle switch (no long press function)

Note:

1. The "long press" time is about 2S

2. If you use USB flash drive mode, it is recommended to use 5V power supply. Some USB flash drives do not support 3.7V power supply.

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