---
product_id: 549049407
title: "ZK-TB21 Bluetooth 5.0 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board TPA3116D2 HiFi Treble and Bass Control Stereo Digital Audio Amp Board for Home Theater DIY Speakers"
brand: "hosyond"
price: "€ 65.02"
currency: EUR
in_stock: true
reviews_count: 13
category: "Hosyond"
url: https://www.desertcart.com.cy/products/549049407-zk-tb21-bluetooth-5-0-50w-50w-100w-2-1
store_origin: CY
region: Cyprus
---

# Bluetooth 5.0 for seamless wireless 200W total output power Multi-layer safety protection ZK-TB21 Bluetooth 5.0 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board TPA3116D2 HiFi Treble and Bass Control Stereo Digital Audio Amp Board for Home Theater DIY Speakers

**Brand:** hosyond
**Price:** € 65.02
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your sound game — because your speakers deserve a power boost!

## Quick Answers

- **What is this?** ZK-TB21 Bluetooth 5.0 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board TPA3116D2 HiFi Treble and Bass Control Stereo Digital Audio Amp Board for Home Theater DIY Speakers by hosyond
- **How much does it cost?** € 65.02 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/549049407-zk-tb21-bluetooth-5-0-50w-50w-100w-2-1)

## Best For

- hosyond enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Robust copper connectors and advanced protections keep your setup safe and cool.
- • **Next-Gen Connectivity:** Bluetooth 5.0 ensures ultra-stable, long-range wireless streaming.
- • **Powerhouse Performance:** Unleash 50W+50W+100W stereo + subwoofer output for immersive sound.
- • **Tailored Audio Control:** Independent bass & treble knobs let you craft your perfect soundscape.
- • **Plug & Play Versatility:** Supports AUX input and wide 12-24V DC compatibility for any DIY or home theater rig.

## Overview

The Hosyond Bluetooth 5.0 2.1 Channel Subwoofer Amplifier Board delivers a crisp, high-fidelity audio experience with 200W total output (50W+50W+100W). Featuring the TPA3116D2 HiFi chip, it offers low distortion (THD ≤0.1%) and advanced AM interference suppression. Bluetooth 5.0 ensures reliable wireless streaming, while AUX input adds flexible connectivity. Independent bass and treble controls let you customize your sound, and comprehensive safety features protect against overheating, overvoltage, and reverse polarity. Compact and versatile, it’s ideal for home theaters and custom speaker projects.

## Description

desertcart.com: ZK-TB21 Bluetooth 5.0 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board TPA3116D2 HiFi Treble and Bass Control Stereo Digital Audio Amp Board for Home Theater DIY Speakers : Industrial & Scientific

Review: Small Yet Mighty!! - This amp provides a lot of bang for your buck! You havento do a little minor assembly, which I wasn't expecting, but it's simple and a screw driver is provided. I'm powering it with a 20v DeWalt tool battery to drive no less than seven speakers in a custom enclosure - 1ea 10" Klipsch sub, 2ea 10" Ashdown mid/woofers and 2 pairs of 2.5" Klipsch high frequency drivers with 1" poly dome tweeters. And it effing rocks! After pairing it in my phone, the Bluetooth connects quickly every time I power the rig up. The fidelity is excellent. Crisp highs, detailed mids and plenty of power to drive the sub, especially with the sun frequency set higher. At lower settings where it rolls off more mid-lows its power does drop off, but, with a tiny plate amp like this that's to be expected. I'm honestly blown away with how much bass thin amp can produce. With more use I will have more info on longevity (and battery life, but,that's not related to this review). Well worth the money for what you get!!
Review: Super Amp!!!!! - Great sounding amp worth every penny you won’t go wrong here excellent power must have…

## Features

- TPA3116D2 HIFI chip solution: with AM interference suppression function, 2.1 channel stereo output 50W+50W+100W, to ensure continuous serial high-power operation, THD ≤0.1%. Using high-quality filter inductors, the sound is full and clear.
- Bluetooth and AUX audio input: Bluetooth 5.0 version, higher transmission efficiency and longer distance. If your playback device does not have Bluetooth, you can also input audio signals through the 3.5MM jack(Note: When using AUX mode, please confirm that the Bluetooth connection of this module has been disconnected).
- Safety protection: The power amplifier board has overheat protection, reverse connection protection, circuit breaker protection, overvoltage and undervoltage protection; wide voltage input DC: 12-24V.
- Features copper DC connectors and insulated terminals. It can withstand high current, does not generate heat, and does not damage the wire. The free DC head lead is compatible with the input power interface of this product, even if you don't have a DC head adapter, you can easily wire it.
- Independent high and low bass control knobs, easy to adjust the volume, allowing you to experience theater-like sound effects. With its excellent performance and comprehensive cost performance, TDA3116D2 is widely used in home theaters, square speakers, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CCJQBWST |
| Best Sellers Rank | #9,669 in Electronics ( See Top 100 in Electronics ) #35 in Audio Component Amplifiers |
| Brand | Hosyond |
| Date First Available | July 21, 2023 |
| Item Weight | 7.9 ounces |
| Item model number | H017 |
| Manufacturer | Hosyond |
| Material | Copper |
| Maximum Supply Voltage | 24 Volts (DC) |
| Minimum Supply Voltage | 12 Volts (DC) |
| Mounting Type | Surface Mount |
| Number of Channels | 2 |
| Output Power | 200 Watts |
| Package Dimensions | 5.16 x 4.45 x 1.85 inches |
| Package Type Name | Protective Shell |
| Specification Met | CE, FCC |
| Supply Current | 5 Amps |
| UPC | 732214748279 |
| Voltage | 24 Volts (DC) |

## Product Details

- **Manufacturer:** Hosyond
- **Maximum Supply Voltage:** 24 Volts (DC)
- **Minimum Supply Voltage:** 12 Volts (DC)
- **Mounting Type:** Surface Mount
- **Voltage:** 24 Volts (DC)

## Images

![ZK-TB21 Bluetooth 5.0 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board TPA3116D2 HiFi Treble and Bass Control Stereo Digital Audio Amp Board for Home Theater DIY Speakers - Image 1](https://m.media-amazon.com/images/I/61LxGbc9WPL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Small Yet Mighty!!
*by M***D on September 14, 2025*

This amp provides a lot of bang for your buck! You havento do a little minor assembly, which I wasn't expecting, but it's simple and a screw driver is provided. I'm powering it with a 20v DeWalt tool battery to drive no less than seven speakers in a custom enclosure - 1ea 10" Klipsch sub, 2ea 10" Ashdown mid/woofers and 2 pairs of 2.5" Klipsch high frequency drivers with 1" poly dome tweeters. And it effing rocks! After pairing it in my phone, the Bluetooth connects quickly every time I power the rig up. The fidelity is excellent. Crisp highs, detailed mids and plenty of power to drive the sub, especially with the sun frequency set higher. At lower settings where it rolls off more mid-lows its power does drop off, but, with a tiny plate amp like this that's to be expected. I'm honestly blown away with how much bass thin amp can produce. With more use I will have more info on longevity (and battery life, but,that's not related to this review). Well worth the money for what you get!!

### ⭐⭐⭐⭐⭐ Super Amp!!!!!
*by J***S on February 11, 2026*

Great sounding amp worth every penny you won’t go wrong here excellent power must have…

### ⭐⭐⭐⭐⭐ Nice little amplifier
*by G***S on February 14, 2026*

Works well Pretty loud Feeding it 19volts, who knows how 36v might've sound.

## Frequently Bought Together

- Bluetooth 5.0 50W+50W+100W 2.1 Channel Subwoofer Amplifier Board TPA3116D2 HiFi Treble and Bass Control Stereo Digital Audio Amp Board for Home Theater DIY Wireless Speakers
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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-11*