---
product_id: 2115566
title: "RK56B Black 4-Pin Dynamic Noise Canceling CB Microphone"
brand: "roadking"
price: "€ 82.47"
currency: EUR
in_stock: true
reviews_count: 13
category: "Road King"
url: https://www.desertcart.gr/products/2115566-rk56b-black-4-pin-dynamic-noise-canceling-cb-microphone
store_origin: GR
region: Greece
---

# 4-pin dynamic noise-canceling mic 72dB signal-to-noise ratio Unidirectional noise reduction RK56B Black 4-Pin Dynamic Noise Canceling CB Microphone

**Brand:** roadking
**Price:** € 82.47
**Availability:** ✅ In Stock

## Summary

> 🎙️ Own the conversation, wherever the road takes you.

## Quick Answers

- **What is this?** RK56B Black 4-Pin Dynamic Noise Canceling CB Microphone by roadking
- **How much does it cost?** € 82.47 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/2115566-rk56b-black-4-pin-dynamic-noise-canceling-cb-microphone)

## Best For

- roadking enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Control:** Two-position momentary slide switch for quick, reliable mic activation.
- • **Precision Audio Range:** Frequency response from 100Hz to 8kHz captures every vocal nuance.
- • **Seamless Compatibility:** 4-pin XLR connector fits most CB radios and audio devices effortlessly.
- • **Built for the Road Warrior:** Durable black cycolac casing and flexible cord built to withstand daily use.
- • **Crystal Clear Communication:** Dynamic noise-canceling tech ensures your voice cuts through the noise.

## Overview

The RoadKing RK56B is a professional-grade 4-pin dynamic CB microphone featuring noise-canceling technology and a unidirectional polar pattern. With a frequency response of 100Hz-8kHz and a 72dB signal-to-noise ratio, it delivers clear, crisp audio. Its durable black cycolac housing and flexible cord make it ideal for demanding environments, while the two-position momentary slide switch offers intuitive control. Compatible with a wide range of CB radios and audio devices, the RK56B is trusted by thousands for reliable, high-quality communication.

## Description

The RoadKing RK56B has a 4-pin connector, black cycolac case and Noise cancelling dynamic microphone with a flexible black cord. 2 position momentary slide switch with normally open contacts. Frequency Response: 100Hz-8kHz, Output Level at 1kHz Open Circuit: -72dB (ret. 0dB=1V/Ohm Bar) Power Level: -55dB (ret 0dB=1Mw/10 Ohm Bar) Output Impedance: 2000 Ohms (Matches 600-5000 Ohm Inputs)

Review: Works great - Great mic, no issues, people can hear me loud and clear.
Review: Road king 56 - Great mic

## Features

- RoadKing RK56B Black 4-Pin Dynamic Noise Canceling CB Microphone

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0031Y82FC |
| Antenna Location | Karaoke, Singing |
| Audible Noise | 72 Decibels |
| Brand | RoadKing |
| Built-In Media | Item and manual |
| Color | Black |
| Compatible Devices | Radio, Smartphone |
| Connectivity Technology | XLR |
| Connector Type | XLR |
| Customer Reviews | 4.5 out of 5 stars 1,343 Reviews |
| Enclosure Material | Plastic |
| Frequency Response | 8 KHz |
| Global Trade Identification Number | 00045464769629 |
| Impedance | 2000 Ohms |
| Item Dimensions | 6.3 x 4.1 x 2.6 inches |
| Item Type Name | Dynamic Noise Canceling CB Microphone |
| Manufacturer | RoadKing |
| Mfr Part Number | RK56B |
| Microphone Form Factor | Handheld |
| Model Name | RoadKing |
| Model Number | RK56B |
| Number of Channels | 1 |
| Polar Pattern | Unidirectional |
| Power Source | Corded Electric |
| Recommended Uses For Product | Karaoke, Singing |
| Signal-to-Noise Ratio | 72 dB |
| Special Feature | Stand |
| UPC | 796793744534 045464769629 788581179895 714833140283 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 Year Limited |

## Product Details

- **Brand:** RoadKing
- **Color:** Black
- **Compatible Devices:** Radio, Smartphone
- **Connectivity Technology:** XLR
- **Connector Type:** XLR
- **Included Components:** Item and manual
- **Model Name:** RoadKing
- **Polar Pattern:** Unidirectional
- **Recommended Uses For Product:** Karaoke, Singing
- **Special Feature:** Stand

## Images

![RK56B Black 4-Pin Dynamic Noise Canceling CB Microphone - Image 1](https://m.media-amazon.com/images/I/51u6-81j1pL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great
*by N***A on December 24, 2025*

Great mic, no issues, people can hear me loud and clear.

### ⭐⭐⭐⭐⭐ Road king 56
*by J***E on February 7, 2026*

Great mic

### ⭐⭐⭐⭐⭐ Cb mic
*by R***D on February 15, 2026*

Imo best noise canceling mic for the money for everyday trucking only one ill use

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**Shop now:** [https://www.desertcart.gr/products/2115566-rk56b-black-4-pin-dynamic-noise-canceling-cb-microphone](https://www.desertcart.gr/products/2115566-rk56b-black-4-pin-dynamic-noise-canceling-cb-microphone)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-06-25*