---
product_id: 488964194
title: "ZK‑502L Bluetooth Power Amplifier Board 5.0 Stereo Audio Receiver Channels Digital Audio Amplifier Module for DIY Speakers 5-24V"
brand: "walfront"
price: "€ 27.06"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/488964194-zk-502l-bluetooth-power-amplifier-board-5-0-stereo-audio
store_origin: IT
region: Italy
---

# 5-24V Power Supply Bluetooth 5.0 Knob Control ZK‑502L Bluetooth Power Amplifier Board 5.0 Stereo Audio Receiver Channels Digital Audio Amplifier Module for DIY Speakers 5-24V

**Brand:** walfront
**Price:** € 27.06
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate Your Audio Game!

## Quick Answers

- **What is this?** ZK‑502L Bluetooth Power Amplifier Board 5.0 Stereo Audio Receiver Channels Digital Audio Amplifier Module for DIY Speakers 5-24V by walfront
- **How much does it cost?** € 27.06 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/488964194-zk-502l-bluetooth-power-amplifier-board-5-0-stereo-audio)

## 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

- • **DIY Ready:** Perfect for custom speaker setups and car audio enhancements.
- • **Unleash Your Sound:** Experience crystal-clear audio with Bluetooth 5.0 connectivity.
- • **Built-in Protection:** Enjoy peace of mind with overvoltage, undervoltage, and short circuit protection.
- • **User-Friendly Design:** Easily adjust settings with the convenient knob potentiometer.
- • **Versatile Power Options:** Compatible with a wide range of power supplies (5-24V) for ultimate flexibility.

## Overview

The ZK-502L Bluetooth Power Amplifier Board is a versatile digital audio amplifier module designed for DIY enthusiasts. It supports Bluetooth 5.0 and AUX audio input, operates on a wide voltage range of 5-24V, and features built-in protection mechanisms. With a user-friendly knob for power control and compatibility with various speakers, this amplifier is perfect for enhancing your audio experience.

## Description

ZK‑502L Bluetooth Power Amplifier Board 5.0 Stereo Audio Receiver Channels Digital Audio Amplifier Module for DIY Speakers 5-24V

## Features

- Strong Compatibility: The amplifier module is equipped with a terminal block and a DC 2.1mm socket, which is compatible with most laptop power ports. Can directly connect to Bluetooth 5.0. and compatible with a variety of speakers. Two 20W, 30W or 50W power amplifier boards are equipped with various speakers (4 to 8 Ω), and support Bluetooth stereo audio input and AUX audio input.
- Built-in Filter Capacitor: The built in filter capacitor of this digital power amplifier module makes it available for processing sound . Knob potentiometer design, convenient to adjust power ON and OFF, V+ and V‑.
- Adapted Power Supply Voltage: 5-24V (optional 9V/12V/15V18V/24V and Other Adapters, High Power Recommended High Voltage). To Noise Ratio: >90 dB. Adapted Speakers: 30W-200 W, 4Ω-8Ω.
- Mechanism: Adopt acrylic protective shell design, with reverse connection , overvoltage , undervoltage , over temperature , short circuit . Self recovery overheating .
- Wide Range Of Applications: This bluetooth speaker power amplifier board has no sound when powering on, skipping songs and pausing. It is widely used in refitting speakers, power amplifier equipment, and car Bluetooth equipment.

## Product Details

- **Voltage:** 24 Volts
- **Manufacturer:** Walfront
- **Maximum Supply Voltage:** 24 Volts (DC)
- **Minimum Supply Voltage:** 5 Volts (DC)
- **Mounting Type:** Surface Mount

## Images

![ZK‑502L Bluetooth Power Amplifier Board 5.0 Stereo Audio Receiver Channels Digital Audio Amplifier Module for DIY Speakers 5-24V - Image 1](https://m.media-amazon.com/images/I/71qXOd30f2L.jpg)

## Frequently Bought Together

- ZK‑502L Bluetooth Power Amplifier Board 5.0 Stereo Audio Receiver Channels Digital Audio Amplifier Module for DIY Speakers 5-24V
- DC15V Power Supply AC Adapter Charger 15V Power Cord AC to DC15Volt 3A 2.5A 2A 1500mA 1000mA 500mA Regulated Switching Power Adapter with 11 Plug Tips for Massage Gun Monitor Display (DC15V~3A)
- BLUECELL 1 Pair 3-Inch Double Binding Round Gold Plate Push Spring Loaded Jacks Speaker Box Terminal Cup

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.it/products/488964194-zk-502l-bluetooth-power-amplifier-board-5-0-stereo-audio](https://www.desertcart.it/products/488964194-zk-502l-bluetooth-power-amplifier-board-5-0-stereo-audio)

---

*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-05-15*