---
product_id: 344264458
title: "ARRAROWN Bluetooth Subwoofer Audio Amplifier Board 50W+50W+100W with Treble and Bass Control, Bluetooth and AUX Inputs, BT 5.0 Stereo AMP Board for DIY Speakers, Password Free (ZK-TB21)"
brand: "arrarown"
price: "53279CFA"
currency: XOF
in_stock: true
reviews_count: 5
category: "Arrarown"
url: https://www.desertcart.sn/products/344264458-arrarown-bluetooth-subwoofer-audio-amplifier-board-50w-50w-100w-treble
store_origin: SN
region: Senegal
---

# 50W+50W+100W output power Bluetooth 5.0 wireless connectivity Independent treble & bass control ARRAROWN Bluetooth Subwoofer Audio Amplifier Board 50W+50W+100W with Treble and Bass Control, Bluetooth and AUX Inputs, BT 5.0 Stereo AMP Board for DIY Speakers, Password Free (ZK-TB21)

**Brand:** arrarown
**Price:** 53279CFA
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate your sound game—because your speakers deserve the upgrade!

## Quick Answers

- **What is this?** ARRAROWN Bluetooth Subwoofer Audio Amplifier Board 50W+50W+100W with Treble and Bass Control, Bluetooth and AUX Inputs, BT 5.0 Stereo AMP Board for DIY Speakers, Password Free (ZK-TB21) by arrarown
- **How much does it cost?** 53279CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/344264458-arrarown-bluetooth-subwoofer-audio-amplifier-board-50w-50w-100w-treble)

## Best For

- arrarown enthusiasts

## Why This Product

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

## Key Features

- • **Tailor Your Sound:** Adjust treble and bass directly on the module for personalized audio without extra devices.
- • **Rock-Solid Protection:** Built-in over-voltage, under-voltage, over-heat, and short-circuit safeguards keep your setup safe and reliable.
- • **Compact & User-Friendly:** Small footprint with clear interface labeling makes DIY speaker projects effortless and stylish.
- • **Powerful 2.1 Channel Output:** Experience immersive sound with 50W per stereo channel plus a booming 100W subwoofer output.
- • **Seamless Wireless & AUX Inputs:** Bluetooth 5.0 ensures stable, password-free wireless streaming alongside classic AUX compatibility.

## Overview

The ARRAROWN Bluetooth Subwoofer Audio Amplifier Board (ZK-TB21) delivers a robust 2.1 channel output with 50W per stereo channel and 100W subwoofer power. Featuring Bluetooth 5.0 for hassle-free wireless streaming and AUX input for versatile connectivity, it offers independent treble and bass controls directly on the module. Designed with advanced AM interference suppression and multiple protective functions, this compact amplifier board ensures crystal-clear sound and reliable performance, perfect for DIY speaker enthusiasts and professional setups alike.

## Description

Features: 1. Bluetooth+AUX audio input, 2.1 channel stereo output, just a little sound distortion. 2. You can directly adjust the treble and bass. 3. AMP module has AM interference suppression function, shielding cover power inductor, low noise front stage operational amplifier, you will enjoy a more perfect sound quality experience. 4. Audio amplifier board with over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection. 5. The illustration of each interface is printed on the protective plate, making it easy to install and use even without instructions. Use occasion: This 50W+50W dual-channel bluetooth audio amplifier board is widely use indoor and outdoor, such as family, party, bar, band, concert,Carnival etc. Specifications: Product name：2.1 Channel bluetooth audio subwoofer amplifier module with treble and bass control Product model：ZK-TB21 Version: Bluetooth 5.0 (10 meters if unobstructed) Input Sensitivity: 500mV Signal to noise ratio:>90dB Audio Input: Bluetooth+AUX Channel: 2.1 Chip: TPA3116D2 (AM interference suppression function) Adapted speaker: 20-100W,4-8Ω Power Range: DC12-24V/ above 5A (High power recommended high voltage) Output Power: 50W*2 @R&L channel Max100W@Subwoofer Product size: 4.72in*3.94in*0.7in Package Weight: 5.43oz Notice: Adequate output power is required when the audio input is sufficient and the power supply voltage/current is sufficient, the relative power will be higher. Different impedance horns will have different output power.In the case of sufficient voltage and current, the larger the impedance horn, the smaller the relative sound power. Package Including: 1 x Audio amplifier module with 3 buttons 1 x Screwdriver 2 x Shell 5 x Button 4 x Gold Nut 4 x Gold Screw 8 x Black Screw

Review: me sorprendió su potencia y nitidez, el control de bajos es muy bueno, no distorsiona, superó expectativas
Review: छोटा पैकेट बड़ा धमाका ❤️❤️

## Features

- ▶【Subwoofer Audio Amplifier Board】 50W+50W+100W Bluetooth 5.0 wireless connection, Bluetooth+AUX audio input, 2.1 channel stereo output, just a little sound distortion. Note: When using AUX mode, please confirm that the Bluetooth connection of this module has been disconnected.
- ▶【Treble and Bass Adjustment】 This digital Amp board with independent treble and bass adjustment buttons,you can directly adjust the treble and bass through the module, without using the player or speaker.
- ▶【Perfect Sound Quality Experience】 The audio power subwoofer amplifier module with powerful chip, AM interference suppression function, shielding power inductance, low noise front stage operational amplifier, let you enjoy a more perfect sound quality experience.
- ▶【With Protective Function】 This Bluetooth Amp module is designed with over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection, with case to protective it.
- ▶【Easy Installation and Use】 The illustration of each interface is printed on the protective plate, making it easy to install and use even without instructions. Small size: 4.72in*3.94in*0.7in, easy to carry.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08G1NZF3Y |
| Item model number | ZK-TB21 |
| Manufacturer | DideaECO |
| Package Dimensions | 13.11 x 11.2 x 5.11 cm; 240 g |

## Product Details

- **Manufacturer:** DideaECO
- **Maximum supply voltage:** 24 Volts
- **Minimum supply voltage:** 12 Volts
- **Mounting type:** Surface Mount
- **Voltage:** 24 Volts

## Images

![ARRAROWN Bluetooth Subwoofer Audio Amplifier Board 50W+50W+100W with Treble and Bass Control, Bluetooth and AUX Inputs, BT 5.0 Stereo AMP Board for DIY Speakers, Password Free (ZK-TB21) - Image 1](https://m.media-amazon.com/images/I/41C8VEzY3xL.jpg)
![ARRAROWN Bluetooth Subwoofer Audio Amplifier Board 50W+50W+100W with Treble and Bass Control, Bluetooth and AUX Inputs, BT 5.0 Stereo AMP Board for DIY Speakers, Password Free (ZK-TB21) - Image 2](https://m.media-amazon.com/images/I/41SRW2sjk4L.jpg)
![ARRAROWN Bluetooth Subwoofer Audio Amplifier Board 50W+50W+100W with Treble and Bass Control, Bluetooth and AUX Inputs, BT 5.0 Stereo AMP Board for DIY Speakers, Password Free (ZK-TB21) - Image 3](https://m.media-amazon.com/images/I/41ZMZqy1t4L.jpg)
![ARRAROWN Bluetooth Subwoofer Audio Amplifier Board 50W+50W+100W with Treble and Bass Control, Bluetooth and AUX Inputs, BT 5.0 Stereo AMP Board for DIY Speakers, Password Free (ZK-TB21) - Image 4](https://m.media-amazon.com/images/I/41wq5iEV1lL.jpg)
![ARRAROWN Bluetooth Subwoofer Audio Amplifier Board 50W+50W+100W with Treble and Bass Control, Bluetooth and AUX Inputs, BT 5.0 Stereo AMP Board for DIY Speakers, Password Free (ZK-TB21) - Image 5](https://m.media-amazon.com/images/I/5154Z5bfTML.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by C***C on 4 October 2023*

me sorprendió su potencia y nitidez, el control de bajos es muy bueno, no distorsiona, superó expectativas

### ⭐⭐⭐⭐⭐ Review
*by T***. on 19 January 2026*

छोटा पैकेट बड़ा धमाका ❤️❤️

### ⭐⭐⭐⭐⭐ Review
*by R***A on 3 December 2025*

Best quality audio amplifier

## Frequently Bought Together

- Bluetooth Audio Amplifier Board, ZK-TB21 2.1CH 50W x 2 +100W Subwoofer Power Amp with Treble and Bass Control, Bluetooth5.0 and AUX Inputs, Stereo Digital AMP for DIY Home Speakers
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- Onyehn 2pcs 12V-36V DC Voltage Protection Module Digital Low Voltage Protector Disconnect Switch Over Discharge Protection Module

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-05*