Voice request song amplifier module, audio external USB drive, voice amplifier module, MP3 decoding player module

Module highlights

● Super sound quality, onboard 2W mono amplifier (up to 3W with 5V power supply) directly connected to speakers (recommended to be paired with 4 Ω 3W speakers), 3.5mm gold-plated headphone jack can be used to connect headphones or external speakers.

●Equipped with a MicroUSB power interface, it can be powered by a mobile power bank or USB charger through a phone data cable, or by a 3.7V lithium battery or USB 5V power supply.

● Supports TF card (internal storage card) and USB playback mode.

●Equipped with horn terminals that do not require welding, making wiring convenient.

●The module design is convenient for modification.

Product Overview

1) Supports MP3 format, automatically plays when powered on, and the red LED indicator light updates during playback status.

2) Supports USB flash drive (tested 32GB) and TF card (tested 16GB) playback modes; The default TF card mode is when powered on. If the TF card does not automatically jump to USB mode and both devices are installed, the playback mode can be manually set. For details, please refer to the button operation instructions.

3) The buttons can adjust the up and down track switching, volume+-, pause/play, mode switching. For details, please refer to the button operation instructions.

4) You can press the button to set the "single/full song" loop, and the default full song loop is when powered on. Press the "Repeat" button to change the loop mode

Key operation instructions

Previous/V -- "key:" Short press "to switch to" previous "song," Long press "to" volume decrease "

Next/v++"key:" Short press "to switch to" next "song," Long press "to" volume up "

P/P/Mode "key:" Short press "to switch between" play/pause "," Long press "to switch to USB drive, TF card" mode "selection

Repeat "key:" Short press "to cycle between" single/full song "(without long press function)

Attention: 

1. Long press for approximately 2 seconds

2.If using USB mode, it is recommended to provide 5V power supply, as some USB drives do not support 3.7V power supply.

Product Parameters

• ower supply range: 3.7~5.5V

• Product size: 45mm * 36mm

• Exquisite double-layer board design, large-area copper plating, stable and reliable.

• Exquisite packaging with anti-static bags to prevent damage from static electricity during shipment.

Product Features

Onboard 2W monaural amplifier (5V power supply up to 3W) directly connected to speaker (recommended to be paired with 4Ω 3W Speaker), 3.5mm audio port for audio output, can be connected to headphones or external speakers.

Equipped with a MicroUSB power interface, it can be powered by a mobile power bank or USB charger through a phone data cable, or by a 3.7V lithium battery.

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Payment&Transportation

Official Certificate&Certificate

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