---
product_id: 524733121
title: "Walfront ZK-TB21 High Power Amplifier Board 2.1 Channel Bluetooth Digital Amplifier Board"
brand: "walfront"
price: "€ 33.46"
currency: EUR
in_stock: true
category: "Walfront"
url: https://www.desertcart.fr/products/524733121-walfront-zk-tb21-high-power-amplifier-board-2-1-channel
store_origin: FR
region: France
---

# Bluetooth + AUX input 100W max output power 12-24V wide voltage range Walfront ZK-TB21 High Power Amplifier Board 2.1 Channel Bluetooth Digital Amplifier Board

**Brand:** walfront
**Price:** € 33.46
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your sound game with power and precision!

## Quick Answers

- **What is this?** Walfront ZK-TB21 High Power Amplifier Board 2.1 Channel Bluetooth Digital Amplifier Board by walfront
- **How much does it cost?** € 33.46 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/524733121-walfront-zk-tb21-high-power-amplifier-board-2-1-channel)

## Best For

- walfront enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Durable Design:** Small footprint with premium materials for long-lasting performance and easy portability.
- • **Power-Packed Audio Boost:** Delivers a robust 100W output for immersive sound that commands attention.
- • **Advanced Protection Suite:** Built-in safeguards against overvoltage, undervoltage, overheating, DC faults, and short circuits ensure reliability.
- • **AM Interference Suppression:** Crystal-clear audio with smart AM interference reduction for uninterrupted listening.
- • **Seamless Wireless Connectivity:** Bluetooth-enabled with AUX support for versatile, cable-free streaming.

## Overview

The Walfront ZK-TB21 is a high-power 2.1 channel Bluetooth digital amplifier board delivering up to 100W output. It supports Bluetooth and AUX inputs, features AM interference suppression, and includes comprehensive protection mechanisms for voltage, temperature, and circuit safety. Compact and durable, it’s designed for professional-grade audio performance with reliable, long-lasting use.

## Description

Buy Walfront ZK-TB21 High Power Amplifier Board 2.1 Channel Bluetooth Digital Amplifier Board online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- 【Bluetooth function】With AUX + for Bluetooth audio input, subwoofer + left and right channel output.
- 【AM interference】The power amplifier chip has AM interference suppression function.
- 【 mechanism】The mechanism includes overvoltage, undervoltage, overheating, DC detection, and short circuit , which is relatively .
- 【strong and 】Using materials, strong and , has a long service life.
- 【convenient to use】With small size, easy to carry and store, convenient to use and with good performance.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08GZBJWFZ |
| Best Sellers Rank | #10,947 in Electronics ( See Top 100 in Electronics ) #21 in Home Audio Amplifiers |
| Brand Name | Walfront |
| Country Of Origin | China |
| Customer Reviews | 4.1 4.1 out of 5 stars (118) |
| Included Components | inc |
| Manufacturer | Walfront |
| Material Type | Material |
| Maximum Output Power | 100W |
| Maximum Supply Voltage | 24 Volts (DC) |
| Minimum Supply Voltage | 12 Volts (DC) |
| Model | TB21 |
| Mounting Type | Surface Mount |
| Number of Channels | 2 |
| Number of Items | 2 |
| Number of Packs | 2 |
| Output Power | 50 Watts |
| Package Type Name | Box" (meaning 'Box' in Spanish) |
| Part Number | TB21 |
| Specification Met | FCC |
| Supply Current | 5 Amps |
| Voltage | 24 Volts |

## Product Details

- **Manufacturer:** Walfront
- **Maximum supply voltage:** 24 Volts (DC)
- **Minimum supply voltage:** 12 Volts (DC)
- **Mounting type:** Surface Mount
- **Voltage:** 24 Volts

## Images

![Walfront ZK-TB21 High Power Amplifier Board 2.1 Channel Bluetooth Digital Amplifier Board - Image 1](https://m.media-amazon.com/images/I/710OCG7UqjL.jpg)

## Questions & Answers

**Q: Does is comes with a power supply? what's the recommended one?**
A: Hello, without power supply
Applicable power adapter 5V 1A

## Frequently Bought Together

- ZK-TB21 High Power Amplifier Board 2.1 Channel Bluetooth Digital Amplifier Board
- 100W+100W Amplifier Board with Treble and Bass Control, DC 9-24V, BT and AUX Inputs, 2.0 Channel Stereo AMP Board for DIY Wireless Speakers, Password Free (ZK-1002T)
- Dayton Audio DAEX58FP Flat Pack 58mm Exciter 25W 8 Ohm

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**Shop now:** [https://www.desertcart.fr/products/524733121-walfront-zk-tb21-high-power-amplifier-board-2-1-channel](https://www.desertcart.fr/products/524733121-walfront-zk-tb21-high-power-amplifier-board-2-1-channel)

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-09-08*