---
product_id: 471502940
title: "Digital Audio Amplifier Board, 4 Channels 4 x 50W HiFi Amplifier Board - IC Smart Cooling"
brand: "zerone"
price: "₨21246"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/471502940-digital-audio-amplifier-board-4-channels-4-x-50w-hifi
store_origin: LK
region: Sri Lanka
---

# Multi-level protection system 4 x 50W output power IC Smart Cooling fan Digital Audio Amplifier Board, 4 Channels 4 x 50W HiFi Amplifier Board - IC Smart Cooling

**Brand:** zerone
**Price:** ₨21246
**Availability:** ✅ In Stock

## Summary

> 🔊 Elevate your sound game with smart power and cool precision!

## Quick Answers

- **What is this?** Digital Audio Amplifier Board, 4 Channels 4 x 50W HiFi Amplifier Board - IC Smart Cooling by zerone
- **How much does it cost?** ₨21246 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/471502940-digital-audio-amplifier-board-4-channels-4-x-50w-hifi)

## Best For

- zerone enthusiasts

## Why This Product

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

## Key Features

- • **Powerful Hi-Fi Output:** Unleash crystal-clear sound with 4 x 50W max output, perfect for professional-grade audio setups.
- • **Advanced Smart Cooling:** Automatic fan activation keeps your amplifier cool and silent, ensuring peak performance without overheating.
- • **Robust Multi-Level Protection:** Built-in safeguards against over-voltage, over-heat, undervoltage, DC faults, and short circuits for worry-free use.
- • **Stable Current for Smooth Audio:** Consistent power delivery guarantees uninterrupted, distortion-free sound quality every time.
- • **Immersive 4-Channel Surround Sound:** Experience rich, room-filling audio with 4 high-sensitivity channels delivering true stereo immersion.

## Overview

This 4-channel digital audio amplifier board delivers 4 x 50W of high-fidelity stereo sound, enhanced by an intelligent cooling system and comprehensive multi-level protection, ensuring stable, powerful, and crystal-clear audio performance for professional and home audio enthusiasts alike.

## Description

Digital Audio Amplifier Board, 4 Channels 4 x 50W HiFi Amplifier Board - IC Smart Cooling

## Features

- [4 Channels High Sensitivity] This digital audio amplifier board adopts 4 channels to create a stereo surrounding sound. Gives you greater hearing enjoyment.
- [Hi-Fi Stereo Sound] Maximum output power of 4 x 50W gives you a Hi-Fi stereo sound.
- [Multi-level ] Built-in over voltage , over heat , undervoltage , DC detection and short-circuit of this digital power amplifier board helps provide a amplification.
- [IC Smart Cooling] When temperature exceeds 25, the fan will be turned on automatically to dissipate high heat rapidly and quietly.
- [Stable Current] This digital power amplifier board makes sure a stable current, thus ensuring the stability and smoothness of sound.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07K167NPQ |
| Best Sellers Rank | #454,966 in Electronics ( See Top 100 in Electronics ) #2,645 in Audio Component Amplifiers |
| Brand | Zerone |
| Date First Available | October 30, 2018 |
| Item Weight | 4.2 ounces |
| Item dimensions L x W x H | 4.72 x 3.15 x 0.79 inches |
| Item model number | Zeroneigm9usozbn |
| Manufacturer | Zerone |
| Material | Circuit Board |
| Maximum Supply Voltage | 16 Volts (DC) |
| Minimum Supply Voltage | 12 Volts |
| Mounting Type | Surface Mount |
| Number of Channels | 4 |
| Operating Temperature | 25 Degrees Celsius |
| Output Power | 50 Watts |
| Package Type Name | box or envelope |
| Product Dimensions | 4.72 x 3.15 x 0.79 inches |
| Specification Met | FCC |
| UPC | 757686752845 |
| Voltage | 12 Volts |

## Product Details

- **Item dimensions L x W x H:** 12 x 8 x 2 centimeters
- **Voltage:** 12 Volts
- **Manufacturer:** Zerone
- **Maximum supply voltage:** 16 Volts (DC)
- **Minimum supply voltage:** 12 Volts

## Images

![Digital Audio Amplifier Board, 4 Channels 4 x 50W HiFi Amplifier Board - IC Smart Cooling - Image 1](https://m.media-amazon.com/images/I/61ntRYU3btL.jpg)
![Digital Audio Amplifier Board, 4 Channels 4 x 50W HiFi Amplifier Board - IC Smart Cooling - Image 2](https://m.media-amazon.com/images/I/61Q7--vtLNL.jpg)
![Digital Audio Amplifier Board, 4 Channels 4 x 50W HiFi Amplifier Board - IC Smart Cooling - Image 3](https://m.media-amazon.com/images/I/71zc9d36dcL.jpg)
![Digital Audio Amplifier Board, 4 Channels 4 x 50W HiFi Amplifier Board - IC Smart Cooling - Image 4](https://m.media-amazon.com/images/I/613vN3+GN1L.jpg)
![Digital Audio Amplifier Board, 4 Channels 4 x 50W HiFi Amplifier Board - IC Smart Cooling - Image 5](https://m.media-amazon.com/images/I/61PhQ9tt7BL.jpg)

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**Shop now:** [https://www.desertcart.lk/products/471502940-digital-audio-amplifier-board-4-channels-4-x-50w-hifi](https://www.desertcart.lk/products/471502940-digital-audio-amplifier-board-4-channels-4-x-50w-hifi)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-10*