---
product_id: 335138290
title: "DollaTek ZK-502M Audio Mini 2.0 Stereo 50W+50W bluetooth Digital Amplifier Module 50W*2 AMP Amplificador Home Theater AUX USB"
brand: "dollatek"
price: "€ 27.53"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/335138290-dollatek-zk-502m-audio-mini-2-0-stereo-50w-50w
store_origin: SK
region: Slovakia
---

# 3 seamless input modes (USB/AUX/Bluetooth) 50W+50W peak stereo power Wide 5-24V voltage input DollaTek ZK-502M Audio Mini 2.0 Stereo 50W+50W bluetooth Digital Amplifier Module 50W*2 AMP Amplificador Home Theater AUX USB

**Brand:** dollatek
**Price:** € 27.53
**Availability:** ✅ In Stock

## Summary

> 🎵 Small size, massive sound—amplify your space with ZK-502M!

## Quick Answers

- **What is this?** DollaTek ZK-502M Audio Mini 2.0 Stereo 50W+50W bluetooth Digital Amplifier Module 50W*2 AMP Amplificador Home Theater AUX USB by dollatek
- **How much does it cost?** € 27.53 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/335138290-dollatek-zk-502m-audio-mini-2-0-stereo-50w-50w)

## Best For

- dollatek enthusiasts

## Why This Product

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

## Key Features

- • **Compact Powerhouse:** Mini card-sized design packs 50W+50W stereo punch for immersive sound anywhere.
- • **Wide Voltage Range:** Supports 5-24V power supplies, making it easy to integrate into any home theater or DIY project.
- • **Plug & Play Simplicity:** Intuitive connection icons mean zero manual hassle—just plug in and amplify.
- • **Universal Compatibility:** Works as a Bluetooth amp for passive speakers or a receiver for active ones—choose your setup.
- • **Triple Input Flexibility:** Switch effortlessly between USB, AUX, and Bluetooth to suit your vibe and device.

## Overview

The ZK-502M is a compact digital stereo amplifier delivering 50W per channel with versatile USB, AUX, and Bluetooth inputs. Its wide voltage range (5-24V) and clear connection icons make setup effortless, while its dual functionality supports both passive and active speaker configurations, perfect for modern home theater or custom audio projects.

## Description

DollaTek ZK-502M Audio Mini 2.0 Stereo 50W+50W bluetooth Digital Amplifier Module 50W*2 AMP Amplificador Home Theater AUX USB

## Features

- ZK-502M AMP is a mini Bluetooth AMP smaller than a card, its peak output power can reach 50W+50W, wide voltage input: 5-24V, you can easily buy a matching DC power supply.
- This AMP protection board is printed with connection icons, allowing you to easily connect to each port without reading the manual.
- This AMP has three input methods, their input sequence is USB mode/AUX mode/Bluetooth mode.
- You can directly connect to the computer through the USB interface without a driver, you can also connect to the playback device through the AUX 3.5mm interface, and finally, you can also connect to the mobile phone through the Bluetooth mode.
- There is no doubt that both can be connected. When you connect passive speakers, this AMP is a Bluetooth power amplifier; when you connect active speakers, this AMP is equivalent to a Bluetooth receiver. It should be noted that two types of speakers cannot be connected at the same time.

## Product Details

- **Voltage:** 24 Volts
- **Manufacturer:** DollaTek
- **Maximum supply voltage:** 24 Volts (DC)
- **Minimum supply voltage:** 5 Volts
- **Mounting type:** Freestanding

## Images

![DollaTek ZK-502M Audio Mini 2.0 Stereo 50W+50W bluetooth Digital Amplifier Module 50W*2 AMP Amplificador Home Theater AUX USB - Image 1](https://m.media-amazon.com/images/I/518r2Ebb2WS.jpg)

## Questions & Answers

**Q: does the bluetooth pairing need a passcode? I'm wanting to connect to an Amazon Echo, and it won't connect if there's a passcode**
A: No Passcode required on mine, i use for audio on my PC.

**Q: Does that have audio interface built-in?**
A: The listing claims "You can directly connect to the computer through the USB interface without a driver" so it should be able to function as an audio interface output without any extra kit needed. It has a DAC built in, which I have tested with bluetooth and USB drives and this works well.

**Q: Hello! does it come with the power supply? is it suitable for the uk? i was told i need 240v to 12v. thanks!**
A: To get the full 50+50 Watt output you will need a 24v 5A power supply. I used a SMPSU ( switched mode power supply unit) 12v 5A power supply which I got from Amazon. This gives a max output of 35+35W which is more than enough for my small living room and annoy the neighbours! N.B. you have to wire these PSU's yourself.

**Q: Does the aux out disconnect the speakers**
A: The AUX port is input and has to be plugged into the device you're playing music from. If you disconnect the aux cable, you enter bluetooth mode, it's a bit frustrating that you have this manual step every time you want to switch to bluetooth. Anyway, hope this helps

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-22*