---
product_id: 35626401
title: "BOSS Audio Systems MCBK520B 3 Inch Motorcycle Speakers, Bluetooth Amplifier"
brand: "boss audio"
price: "€ 367.03"
currency: EUR
in_stock: true
category: "Boss Audio"
url: https://www.desertcart.de/products/35626401-boss-audio-systems-mcbk520b-3-inch-motorcycle-speakers-bluetooth-amplifier
store_origin: DE
region: Germany
---

# Weatherproof for all conditions Bluetooth wireless connectivity 600W max output power BOSS Audio Systems MCBK520B 3 Inch Motorcycle Speakers, Bluetooth Amplifier

**Brand:** boss audio
**Price:** € 367.03
**Availability:** ✅ In Stock

## Summary

> 🏍️ Turn your ride into a rolling concert with BOSS Audio’s ultimate motorcycle sound system!

## Quick Answers

- **What is this?** BOSS Audio Systems MCBK520B 3 Inch Motorcycle Speakers, Bluetooth Amplifier by boss audio
- **How much does it cost?** € 367.03 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/35626401-boss-audio-systems-mcbk520b-3-inch-motorcycle-speakers-bluetooth-amplifier)

## Best For

- boss audio enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Power:** USB and SD ports support up to 32GB memory for endless road trip soundtracks.
- • **Custom Fit Confidence:** Adjustable brackets fit handlebars from 0.75” to 1.25” for effortless installation.
- • **Ride Loud, Ride Proud:** 600 watts of crisp, clear sound that cuts through highway noise and helmet barriers.
- • **Seamless Wireless Jams:** Bluetooth connectivity lets your favorite playlists follow you on every twist and turn.
- • **Built to Brave the Elements:** Weatherproof design ensures your music never stops, rain or shine.

## Overview

The BOSS Audio Systems MCBK520B is a rugged, weatherproof 3-inch coaxial motorcycle speaker set with a 2-channel Bluetooth amplifier delivering up to 600 watts of power. Designed for handlebars between 0.75” and 1.25”, it supports USB and SD cards up to 32GB, ensuring your music stays with you on every ride. With a 3-year warranty and clear sound even at highway speeds, it’s the perfect audio upgrade for motorcycles, ATVs, and more.

## Description

Buy BOSS Audio Systems MCBK520B 3 Inch Motorcycle Speakers, Bluetooth Amplifier: Coaxial Speakers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Speakers - The two 3-inch matte black full range speakers have adjustable brackets that will fit handlebars ranging from .75” to 1.25”
- USB/SD - The USB and SD ports support up to 32 GB of memory so that when you hit the road, your music can follow

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01DT4P634 |
| Additional Features | Weatherproof |
| Age Range Description | Adult |
| Antenna Location | For Music Players |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Battery Average Life | 5 hours |
| Best Sellers Rank | #237 in Powersports Speaker Systems |
| Brand | Boss Audio |
| Built-In Media | Product Brochure |
| Color | Black |
| Compatible Devices | Receiver |
| Compatible with Vehicle Type | ATV, Golf Cart, Motorcycle, UTV |
| Connectivity Protocol | Bluetooth |
| Connectivity Technology | Bluetooth |
| Control Method | Remote |
| Controller Type | Remote Control |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.1 out of 5 stars 652 Reviews |
| Enclosure Material | Platinum |
| Frequency Response | 15 KHz |
| Global Trade Identification Number | 00791489124379 |
| Impedance | 4 ohm |
| Input Voltage | 12 volts |
| Is Waterproof | Yes |
| Item Dimensions D x W x H | 1.5"D x 5"W x 3"H |
| Item Type Name | BOSS Audio Systems MCBK520B Motorcycle Speaker and Amplifier Sound System - Bluetooth, Weatherproof, 3 inch Speakers, 2 Channel Amplifier, FM Tuner, USB, SD, Auxiliary In, Great For 12 Volt Vehicles |
| Item Weight | 4.5 pounds |
| Manufacturer | BOSS Audio Systems |
| Model Name | MCBK520B |
| Model Number | MCBK520B |
| Mounting Type | Flush Mount |
| Number Of Circuits | 2 |
| Number of Audio Channels | 3 |
| Number of Batteries | 1 CR2 batteries required. |
| Number of Items | 1 |
| Number of Power Levels | 1 |
| Power Source | Battery Powered |
| Signal-to-Noise Ratio | 85 db |
| Speaker Maximum Output Power | 600 watts |
| Speaker Size | 3 inches |
| Speaker Type | Coaxial |
| Specific Uses For Product | For Motorcycles, Scooters, ATVs, and Golf Carts, as well as for Music Players during Road Trips and Off-Road Adventures |
| Subwoofer Connectivity Technology | Wireless |
| Subwoofer Diameter | 3 inches |
| Tweeter Diameter | 1 inches |
| UPC | 791489124379 |
| Unit Count | 4 Count |
| Warranty Description | 3 Years Parts and Labor |
| Warranty Type | Extended |
| Water Resistance Level | Water Resistant |
| Wireless Technology | Bluetooth |
| Woofer Diameter | 3 inches |

## Product Details

- **Audio Output Mode:** Stereo
- **Brand:** BOSS Audio Systems
- **Connectivity Technology:** Auxiliary, Bluetooth
- **Frequency Response:** 15 KHz
- **Speaker Maximum Output Power:** 600 Watts

## Images

![BOSS Audio Systems MCBK520B 3 Inch Motorcycle Speakers, Bluetooth Amplifier - Image 1](https://m.media-amazon.com/images/I/81oBsrZawaL.jpg)
![BOSS Audio Systems MCBK520B 3 Inch Motorcycle Speakers, Bluetooth Amplifier - Image 2](https://m.media-amazon.com/images/I/81Au53dcRkL.jpg)
![BOSS Audio Systems MCBK520B 3 Inch Motorcycle Speakers, Bluetooth Amplifier - Image 3](https://m.media-amazon.com/images/I/71kLGQ217xL.jpg)
![BOSS Audio Systems MCBK520B 3 Inch Motorcycle Speakers, Bluetooth Amplifier - Image 4](https://m.media-amazon.com/images/I/61SWiu2eiLL.jpg)
![BOSS Audio Systems MCBK520B 3 Inch Motorcycle Speakers, Bluetooth Amplifier - Image 5](https://m.media-amazon.com/images/I/81hseb7R52L.jpg)

## Available Options

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

## Questions & Answers

**Q: The blue tooth broke on it how do I fix it**
A: Hello,
Please contact the Boss Audio Technical Support Team via telephone regarding the issue you are experiencing, so we may further assist you. You may find our phone number on our company website. Scroll to the bottom of the home page and under "ENGAGE WITH US," click on "Contact Us."
Thank you!

**Q: Is this water proof?**
A: The MCBK520B is weatherproof, both speakers and amp are able to resist the penetration of water to some degree but not entirely.

**Q: How long are the speaker wires**
A: Hello,
About 36 inches.
Thank you.

**Q: Does it play fm radio & have a built in antenna?**
A: Yes, the MCBK520B features a built-in radio and antenna.

## Frequently Bought Together

- BOSS Audio Systems MCBK520B Motorcycle 3 Inch Stereo Speakers and Amplifier Audio Sound System - Bluetooth 2 Channel Amplifier, Weatherproof, FM Tuner, USB, SD, Auxiliary In, ATV UTV Compatible
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**Shop now:** [https://www.desertcart.de/products/35626401-boss-audio-systems-mcbk520b-3-inch-motorcycle-speakers-bluetooth-amplifier](https://www.desertcart.de/products/35626401-boss-audio-systems-mcbk520b-3-inch-motorcycle-speakers-bluetooth-amplifier)

---

*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-10-05*