---
product_id: 524733121
title: "Walfront ZK-TB21 High Power Amplifier Board 2.1 Channel Bluetooth Digital Amplifier Board"
brand: "walfront"
price: "4982 som"
currency: KGS
in_stock: true
reviews_count: 2
category: "Walfront"
url: https://www.desertcart.kg/products/524733121-walfront-zk-tb21-high-power-amplifier-board-2-1-channel
store_origin: KG
region: Kyrgyzstan
---

# Bluetooth + AUX input 50W output power 12-24V wide voltage range Walfront ZK-TB21 High Power Amplifier Board 2.1 Channel Bluetooth Digital Amplifier Board

**Brand:** walfront
**Price:** 4982 som
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your sound game—power, clarity, and wireless freedom in one sleek board!

## 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?** 4982 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/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 easy installation and long-lasting performance.
- • **AM Interference Suppression:** Advanced chip design minimizes AM interference for pristine, noise-free audio.
- • **Powerful 2.1 Channel Output:** Experience immersive sound with 50W high power output for rich bass and crystal-clear highs.
- • **Robust Protection Mechanisms:** Built-in safeguards against overvoltage, undervoltage, overheating, DC faults, and short circuits ensure reliability.
- • **Seamless Wireless Connectivity:** Bluetooth-enabled for effortless streaming plus AUX input for versatile audio sources.

## Overview

The Walfront ZK-TB21 is a compact 2.1 channel digital amplifier board delivering 50W output power with Bluetooth and AUX inputs. It features advanced AM interference suppression and comprehensive protection mechanisms, operating efficiently within a 12-24V range. Designed for durability and easy integration, it’s a top choice for audiophiles seeking high-quality sound with wireless convenience.

## Description

Walfront ZK-TB21 High Power Amplifier Board 2.1 Channel Bluetooth Digital Amplifier Board : desertcart.ae: Electronics

Review: Low noise , no heat clear sounds . - I love this product . Only problem is mount in amplifier case .
Review: Great product - Amazing thing

## 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 | #3,721 in Electronics ( See Top 100 in Electronics ) #2 in Home Audio Amplifiers |
| Brand | Walfront |
| Brand Name | Walfront |
| Country Of Origin | China |
| Customer Reviews | 4.1 out of 5 stars 89 Reviews |
| Included Components | inc |
| Manufacturer | Walfront |
| Material Type | Material |
| Maximum Supply Voltage | 24 Volts (DC) |
| Maximum supply voltage | 24 Volts (DC) |
| Minimum Supply Voltage | 12 Volts (DC) |
| Minimum supply voltage | 12 Volts (DC) |
| Model | TB21 |
| Mounting Type | Surface Mount |
| Mounting type | Surface Mount |
| Number of Channels | 2 |
| Output Power | 50 Watts |
| Package Type Name | Box" (meaning 'Box' in Spanish) |
| Specification Met | FCC |
| Supply Current | 5 Amps |
| Voltage | 24 Volts |

## Product Details

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

## Images

![Walfront ZK-TB21 High Power Amplifier Board 2.1 Channel Bluetooth Digital Amplifier Board - Image 1](https://m.media-amazon.com/images/I/61QS71jTRIL.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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Low noise , no heat clear sounds .
*by R***A on 31 August 2024*

I love this product . Only problem is mount in amplifier case .

### ⭐⭐⭐⭐⭐ Great product
*by M***A on 20 May 2024*

Amazing thing

## Frequently Bought Together

- ZK-TB21 High Power Amplifier Board 2.1 Channel Bluetooth Digital Amplifier Board
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- Dayton Audio DAEX58FP Flat Pack 58mm Exciter 25W 8 Ohm

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

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-01-23*