---
product_id: 178199937
title: "CentIoT - WTV020 Mini SD TF Card MP3 Decoder Board - Amplifier Module for Arduin STM PIC - for Auto Car (WTV020)"
brand: "centiot"
price: "$10.74"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/178199937-centiot-wtv020-mini-sd-tf-card-mp3-decoder-board-amplifier
store_origin: EC
region: Ecuador
---

# 2.6V - 3.6V Voltage Range MP3/WAV Playback 32M - 1GB SD Capacity CentIoT - WTV020 Mini SD TF Card MP3 Decoder Board - Amplifier Module for Arduin STM PIC - for Auto Car (WTV020)

**Brand:** centiot
**Price:** $10.74
**Availability:** ✅ In Stock

## Summary

> 🎤 Elevate Your Sound Game with CentIoT!

## Quick Answers

- **What is this?** CentIoT - WTV020 Mini SD TF Card MP3 Decoder Board - Amplifier Module for Arduin STM PIC - for Auto Car (WTV020) by centiot
- **How much does it cost?** $10.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/178199937-centiot-wtv020-mini-sd-tf-card-mp3-decoder-board-amplifier)

## Best For

- centiot enthusiasts

## Why This Product

- Trusted centiot brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **🔊 Compact Powerhouse:** Ultra-slim design (20x18x3mm) packs a punch in sound quality.
- • **🌐 Multi-Format Support:** Enjoy your favorite tunes in MP3, WAV, and 4Bit ADPCM formats.
- • **📂 Smart File Organization:** Easily navigate your audio library with folder-based storage.
- • **🎶 Effortless Audio Control:** Seamlessly manage playback with key, second, or UART232 control.
- • **🔋 Versatile Voltage Compatibility:** Operates smoothly between 2.6V and 3.6V for diverse applications.

## Overview

The CentIoT WTV020 Mini SD TF Card MP3 Decoder Board is a compact audio amplifier module designed for seamless integration with Arduino, STM, and PIC systems. It supports SD card capacities from 32M to 1GB, allowing for easy storage and playback of MP3 and WAV files. With versatile control options and a slim profile, this module is perfect for automotive and DIY audio projects.

## Description

CentIoT - WTV020 Mini SD TF Card MP3 Decoder Board - Amplifier Module for Arduin STM PIC - for Auto Car (WTV020)

## Features

- WTV020 chip module; SD card capacity: 32M ~ 1GBit ; Classified by folder store content, easy to operate.
- Supports FAT file system, SD card as storage medium;
- Playback Format: MP3, WAV and 4Bit ADCPM; Control methods: key control, second control and UART232 serial control;
- Supports automatic speech recognition folders and file playback;
- Operating voltage: DC2.6 ~ 3.6V;

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Dimensions LxWxH | 20 x 18 x 3 Millimeters |
| Voltage | 3.6 Volts |
| Manufacturer | CentIoT®, CentIoT, Customer Care: +91 8095838689 |
| Maximum Supply Voltage | 3.6 Volts |
| Minimum Supply Voltage | 2.6 Volts |
| Mounting Type | Surface Mount |
| Brand | CentIoT |
| Manufacturer | CentIoT® |
| Country of Origin | China |
| Model number | AU022-WTV020-TF-MP3 |
| Colour | Blue |
| Number of Memory Sticks | 1 |
| Item Weight | 4.54 g |
| Product Dimensions | 2 x 1.8 x 0.3 cm; 4.54 Grams |
| Item model number | AU022-WTV020-TF-MP3 |
| Item Height | 3 Millimeters |
| Item Width | 18 Millimeters |
| Power Source | corded electric |
| Included Components | 1 x WTV020 WTV020-SD WTV020SD-20SS Mini SD Card MP3 Sound Module For PIC 2560 UNO R3 WTV020-SD-16P wav |
| Digital Media Format | MP3 Audio, WAV |

## Images

![CentIoT - WTV020 Mini SD TF Card MP3 Decoder Board - Amplifier Module for Arduin STM PIC - for Auto Car (WTV020) - Image 1](https://m.media-amazon.com/images/I/41uT10QtIXL.jpg)
![CentIoT - WTV020 Mini SD TF Card MP3 Decoder Board - Amplifier Module for Arduin STM PIC - for Auto Car (WTV020) - Image 2](https://m.media-amazon.com/images/I/51ZIaqv13FL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ec/products/178199937-centiot-wtv020-mini-sd-tf-card-mp3-decoder-board-amplifier](https://www.desertcart.ec/products/178199937-centiot-wtv020-mini-sd-tf-card-mp3-decoder-board-amplifier)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-20*