5 Best CB Microphone Reviews – Ultimate Buyers Guide

If you are looking to upgrade your CB mic or replace an old one, this article is for you.

The 5 Best CB Mic Reviews – Ultimate Buyers Guide is a great resource for anyone looking to purchase the right CB microphone or upgrade.

This guide will ensure that you make the best decision for your needs, with detailed product reviews and an overall rating. Plus, you'll get my ratings so that you can assess how each mic has fared in real-life settings!

To cut to the chase, here are my top three.

Best Noise Cancelling CB Microphone
Astatic 302-636LB1 Black Noise Cancelling 4 Pin CB Microphone

Astatic 302-636LB1 Black Noise Cancelling 4 Pin CB Microphone

  • World famous replacement mic
  • Rugged housing design
  • Polyurethane coated steel grille screen
  • Low-impedance dynamic element
  • Coiled cord
Best Amplified CB Mic
Astatic 302-10036 RD104E Road Devil Amplified 4-Pin CB Microphone

Astatic 302-10036 RD104E Road Devil Amplified 4-Pin CB Microphone

  • The Road Devil microphone features a high gain amplifier with electronic equalization which provides maximum talk power and intelligibility even under noisy conditions. Compatible with all modern radio transceivers.
  • Features a High Gain Amplifier with Electronic Equalization Provides Maximum Talk Power & Intelligibility even Under Noisy Conditions
  • Designed for Close Talking Handheld Applications
  • For CB Amateur Radio & SSB Communications Amplifier & 6 Wire Cable Compatible with All Modern Radio Transceivers Uses a Standard 9-Volt Battery (Not Included) Clamshell Package
Cheapest & Most Versatile Option
Workman DM507-4 Microphone for 4 pin

Workman DM507-4 Microphone for 4 pin

  • REPLACEMENT CB RADIO MICROPHONE
  • 4-PIN Connector
  • 8-FOOT FLEXABLE CORD
  • Compatible for COBRA,UNIDEN, GALAXY, & CONNEX

Why do you need a quality CB mic?

Having the right CB microphone is essential if you want your CB radio to be an effective communication tool. Without one, it becomes nearly impossible for your device to properly transmit and receive signals—which renders it useless! Due to the wide array of models now available on the market today, selecting a mic that perfectly fits your model has never been more important.

The performance of a stock microphone is average at best, and the background noise may interfere with communication. However, investing in a quality CB mic can significantly upgrade your conversations as it comes equipped with features such as volume control, echo adjustment, and tone regulation to maximize the output from your radio. Quality CB mics are essential to get superior performance from your device (IMHO).

How to Choose the Best CB Microphone?

Here are my criteria when I chose the 5 below:

  1. Offers excellent noise cancellation and high-quality sound. This is a non-negotiable.
  2. Must be compatible with CB radios (thank you Capt. Obvious)
  3. It should provide a wide range of volume control, echo adjustment, as well as tone regulation.
  4. Durability is another important factor. I look for mics that are built to last and have a decent warranty.
  5. Lastly, affordability matters! If a mic is too expensive for its performance then it doesn’t make the cut in my book.

One brand that tends to stand out and you will see two on the list from is Astatic. Astatic mics are also popular for their superior background noise cancellation capabilities.

The 5 Best CB Microphones with Reviews

5 Best CB Microphone Reviews

1. Astatic 302-636LB1 - Best Noise Cancelling CB Microphone

With a 4-pin connector plug and specially crafted for noisy spaces, the Asiatic 302-636LB1 is an incredibly lightweight yet sturdy CB microphone. Setting you back anywhere between $30-$35, this replacement mic has proven to be one of the most dependable options in its price range and provides users with unparalleled satisfaction.

Astatic 302-636LB1 Black Noise Cancelling 4 Pin CB Microphone (Bulk)

It is one of the most iconic microphones ever and for good reason, Its stylish design encompasses a robust framework that promises years of standout performance. To make it even better, this microphone is further safeguarded with its polyurethane-coated steel grid loudspeaker mesh. With such formidable features, you can trust in its reliability to provide quality sound for any occasion.

The Asiatic 302-636LB1 is an extraordinary microphone, renowned for its noise-canceling capabilities and low impedance. Boasting a frequency response range of 100Hz-8kHz and 200 Ohms output impedance ensures that your sound will transmit clearly with no risk of distortion - regardless of the distance between you and the mic.

The extraordinary noise cancellation of this Asiatic CB microphone is beyond compare - it guaranteed crystal-clear sound even in the noisiest environments. Not to mention, users can expect high-quality audio! It's suitable for CB radios, ham radio and SSB communications but really shines when used on the go.

  • With an unbeatable price point, you'll get a CB radio mic that's incredibly resilient and dependable.
  • The sound quality will be outstanding - loud and crisp!
  • Plus, the noise cancellation is state-of-the-art so you can communicate clearly with others.
  • And lastly, this model is compatible with almost any type of radios out there for your convenience.
Best Noise Cancelling CB Microphone
Astatic 302-636LB1 Black Noise Cancelling 4 Pin CB Microphone
  • World famous replacement mic
  • Rugged housing design
  • Polyurethane coated steel grille screen
  • Low-impedance dynamic element
  • Coiled cord

If you have a Jeep, here are the 5 Best CB Mics for Jeeps


2.  Ranger SRA-198 – CB Ham Radio Noise Canceling Microphone - Budget Option

The Ranger SRA-198 CB mic offers outstanding noise cancellation in an affordable, traditional microphone design. Featuring a classic design and incredibly compact size, it fits comfortably and securely in your hand for superior performance. Its perfect combination of feel and function makes this microphone the ideal choice for any recording enthusiast.

The four-pin wire connector guarantees compatibility with almost any CB radio despite the brand.

This is great because you won’t have to match with any specific brands. And the best part about this microphone is definitely the fact that it is super affordable despite being full of amazing features. 

Ranger SRA-198 Ranger Cb Ham Radio Noise Canceling Mic 4 Pin Wired

Comparatively bassy to other models, this model is remarkable in its ability to block out background noise. Thanks to the 4.7K resistor and 0.022uF capacitor, audio quality has been notably improved further increasing your listening pleasure! With a wide frequency response of 50-15,000Hz - much larger than competitors within its price range - you'll be able to enjoy sounds like never before!

Finally it comes with a standard 4 pin connector plug as well as a 9 foot coiled cable so you can get started right away immersing yourself in unparalleled sound quality today!

With its solid build and weight of 12 ounces, you can feel the quality in your hands when holding the SRA-198. Built to last for years of use, this device is designed to withstand drops and falls with ease. Plus, thanks to a short play on the PTT Button, it requires minimal effort on your part so that you can engage or disengage effortlessly.

One of the most prominent benefits that sets the SRA-198 apart from its competitors is that it genuinely delivers on its promise to reduce background noise. You can converse with someone at a distance, even while driving down a highway with your windows open and no one will hear any interference or distortion in your speech!

Whether you need to hang the mic in your vehicle for safekeeping or take advantage of its spring-loaded connection cord, this SRA-198 microphone will provide you with an excellent sound quality experience. It features a noise cancellation feature that eliminates static and distortion from the signal, allowing for a crisp audio output. With the SRA-198, you won't be disappointed!

  • It is compatible with nearly every CB radio, a must-have for any user!
  • Its sturdy construction ensures that it will keep functioning optimally for years to come.
  • At an unbeatable price tag and exceptional sound quality, you can’t afford not to get one of these.
  • It even comes with a hanger and long cord so your experience is as convenient as possible.
Budget Option
Ranger SRA-198 Ranger Cb Ham Radio Noise Canceling Mic 4 Pin Wired
  • The RANGER SRA-198 is a rugged noise-canceling microphone with excellent active noise filter that cancels any unwanted disturbing surrounding sounds.
  • The voice response characteristic is excellent which also works well in a quiet environment.
  • Comes wired 4-Pin. RCI/Cobra/Uniden/Connex/Galaxy/Stryker/Magnum etc...

3. Astatic 302-10036 RD104E -Road Devil Amplified 4-Pin - Second Overall 

The Astatic 302-636LB1 is an iconic CB microphone, whereas the more modern Astatic 302-10036 RD104E Road Devil offers updated technology and still maintains that vintage vibe. Both of these options come with an affordable $30 - 40 price tag; however, each has its own benefits when compared to one another.

The Road Devil is sure to capture your attention with its vivid orange ABS plastic housing and the devilish decal at the base. Its cobra-like shape makes it stand out from other radios, making it one of the most visually striking options available on this list.

Astatic (302-10036 RD104E Road Devil Amplified 4-Pin CB Microphone

Despite its manageable size, the Road Devil's 10-ounce weight gives it a heavy, solid build. Its mesh grill is not only visually appealing but also crafted to stand up against regular use. To adjust sound levels, there is an easy-to-reach gain switch next to the PTT button on the right side of the device and it boasts a High Gain Amplifier which boosts modulation as well as Electronic Equalization for loud yet crystal clear audio output.

This mic is not engineered for noise cancellation like other mics, but with an impedance of 100 Ohms, it still effectively blocks ambient sound in loud environments. With a 4 pin connector plug and coiled cord, this mic can be easily integrated into various CB radios. Additionally, the frequency response range on this microphone ranges from 100 to 10,000Hz.

The Astatic 302-10036 RD104E Road Devil cb mic not only looks elegant, but it also performs with excellence. This mic is the best value for your dollar among CB radio mics offered by Astatic and in the market overall at this price point.

Best Amplified CB Mic
Astatic 302-10036 RD104E Road Devil Amplified 4-Pin CB Microphone
  • The Road Devil microphone features a high gain amplifier with electronic equalization which provides maximum talk power and intelligibility even under noisy conditions. Compatible with all modern radio transceivers.
  • Features a High Gain Amplifier with Electronic Equalization Provides Maximum Talk Power & Intelligibility even Under Noisy Conditions
  • Designed for Close Talking Handheld Applications
  • For CB Amateur Radio & SSB Communications Amplifier & 6 Wire Cable Compatible with All Modern Radio Transceivers Uses a Standard 9-Volt Battery (Not Included) Clamshell Package

#4. Astatic 636LSE

If you're searching for a dependable microphone that can efficiently transmit your voice to the public or other CB radio users, then Astatic's 636LSE is perfect for you. What makes this product unique and attractive is its remarkable cobra-like shape - it looks so similar to a real one! Furthermore, many regard the 636LSE as the best CB mic specifically meant for Cobra 29s. With outstanding performance and eye-catching design, this high-quality microphone will definitely become a staple in your audio equipment collection.

Astatic (302-10001SE) 636LSE 4-Pin Noise Canceling CB Microphone

This cb microphone shape ensures an effortless and enjoyable user experience by conveniently placing all of the switches and knobs. Additionally, each component of this microphone is made from remarkable materials; its grille screen has a protective polyurethane layer while the cord is sheathed in chrome for added durability. Not only does this lend to its sophisticated appearance but also safeguards it against scratches, dents, as well as external elements.

Ensure your message is heard loud and clear with the 636LSE microphone. This mic comes packed with a built-in amplifier, gain control, plus noise cancellation that effectively eliminates background chatter even in noisiest environments. With its low-impedance dynamic feature, you can transmit your messages over long distances without worrying about any interference or distortion of sound! All it takes to operate this device is one 9-volt battery - so go ahead and make yourself heard wherever you are!

  • Boasting a construction made of top-notch materials, this antenna is scratch, dent and weatherproof to ensure long-lasting durability.
  • Not only that, but it's extremely easy to use and its amazing audio quality can deliver loud and clear messages across CB, SSB and amateur radio frequencies!
Astatic (302-10001SE) 636LSE 4-Pin Noise Canceling CB Microphone
  • Chrome Covered Cord and 4-Pin Connection
  • Polyurethane Coated Steel Grille Screen
  • Low Impedance Dynamic Element
  • For CB, Amateur Radio & SSB Communications
  • Special Anniversary Edition

5. Workman DM507-4 – CB Microphone for 4 pin - Cheapest & Most Versatile Option

The Workman DM507-4 CB radio microphone is a great option for those looking to get back into the basics of radios without breaking their bank. It sits in an affordable price range of $10-15 and although it doesn't have many features compared to other mics, if you're new to the world of CB radios, it's definitely worth considering!

MIC / Microphone for 4 pin Cobra / Uniden CB Radio - Workman DM507-4

The DM507-4 is designed to be a perfect, economical substitution microphone for many CB radios. It is outfitted with five distinct wirings: 4 pin Cobra, 5 Pin Cobra / Uniden, 4 pin Midland, 6 Pin RCI and 5 pins Realistic Wired – providing you extensive compatibility options!

Coming standard with an 8ft flexible coiled cord makes installation simple. Unfortunately, some users have had issues with the wire's durability due to it wearing at either end after extended use - but this shouldn't detract from its overall value as a reliable replacement mic option

Crafted from durable ABS plastic, this CB microphone has the sleek look of a premium device without any wire mesh grilles. At almost 5 ounces and an incredibly affordable price point, it certainly doesn't feel like you are sacrificing quality for cost. What more could you ask for?

The Workman DM507-4 cb mic offers 500 Ohms of impedance and a frequency response from 300Hz to 6,000Hz that produces acceptable sound fidelity in various environments. Its sensitivity at 1kHz is -70+/-3dB for an unbeatable price. With its reliable performance, you can rely on it for the basics when necessary under any circumstances.

Sale
MIC / Microphone for 4 pin Cobra / Uniden CB Radio - Workman DM507-4
  • REPLACEMENT CB RADIO MICROPHONE
  • 4-PIN Connector
  • 8 FOOT FLEXABLE CORD
  • COBRA,UNIDEN,GALAXY,CONNEX
  • Bulk (no retail package)

Frequently Asked Questions:

Why is my CB mic not working?

There are several potential reasons why your CB mic is not working. First step, inspect the plug and cord for any signs of wear and tear. Second, examine the pins in your radio to guarantee they are free from being bent or damaged. Third, make sure that when you press down on your CB microphone button it goes all the way through. Fourth, for CB power mics or echo mics, be sure there is a fresh battery in it.

What are the signs that I should I get a Replacement Microphone for my CB Radio

What are the signs that I should I get a Replacement Microphone for my CB Radio?

I have listed below signs that suggest it might be more beneficial for you to get a new CB microphone one: muffled sound from speaking into the mic, static coming through when talking, significant noise interference, and physical damage like cracks or chips in its body should all mean immediate replacement.

1. Poor sound quality: If you are noticing that your CB mic is producing muffled or distorted sound, it’s a sign that you may need to replace your current microphone with a new one.

2. Difficulty Speaking/Hearing: If you are finding that people are having difficulty hearing you through your CB microphone, this could be an indication that you need to replace it.

3. Bad Reception: If your CB radio is having difficulty picking up signals, this could be a sign that the microphone needs to be replaced as well.

4. Faulty Wires or Connectors: If you notice any worn wires or connectors on your current CB mic, then it's likely time for a replacement.

5. Unusual Noises: If you hear any unusual noises coming from your mic, such as static or crackling, then it's likely time to invest in a new one.

6. Malfunctioning Push-to-Talk Button: If the push-to-talk button on your CB mic is not working properly, then it may be time to get a new one.


Here is another resource if you choose not to buy a new one - How to Fix Your 4-Pin CB Mic wiring

Can you use a 4 pin mic on a 6 pin CB?

It is possible to use a 4 pin mic on a 6 pin CB or amateur radio as long as you use an adapter. Here is the adapter that is most recommended by CB users worldwide. 

Best Cobra CB Radio Microphones

Here are my recommendations based on extensive research for the Best CB Mic for Cobra 29. 

  1. Astatic 302-636LB1 - The Quietest Output (view on Amazon)

  2. Ranger SRA-198 - Longest-Lasting (view on Amazon)

  3. Uniden BC645 : The Clearest Sound (view on Amazon)

  4. Workman DM507-4 - Best Value (view on Amazon)

Best CB Mic for Cobra 25 ltd Classic

The Astatic 302- 636LSE CB Mic 4-Pin is the best choice for the Cobra 25 LTD. The premium noise cancellation feature makes it a red-hot product for survivalists and storm chasers, who deal with the roughest and wildest conditions all the time. The tough design makes it a durable choice for all CB radio users. In addition, it has the same chrome look and feel of the Cobra LTD classic. 

Astatic (302-10001SE) 636LSE 4-Pin Noise Canceling CB Microphone
  • Chrome Covered Cord and 4-Pin Connection
  • Polyurethane Coated Steel Grille Screen
  • Low Impedance Dynamic Element
  • For CB, Amateur Radio & SSB Communications
  • Special Anniversary Edition

Best CB Mic for Stryker 655

The Astatic 636L CB microphone is designed with a heavy-duty construction and noise-canceling capability. It is a very durable microphone and one of the best-sounding CB radio mics available. The 636L offers excellent sound quality with good gain and extended frequency response.

Best Noise Cancelling CB Microphone
Astatic 302-636LB1 Black Noise Cancelling 4 Pin CB Microphone
  • World famous replacement mic
  • Rugged housing design
  • Polyurethane coated steel grille screen
  • Low-impedance dynamic element
  • Coiled cord

Best Echo Mic for CB Radio

The POWER / Tornado ECHO Mic for CB / Ham Radio 4 pin is compatible for all 4 pin radios. The Echo Mic is ideal for any hand size and the most cost-efficient option. It also happens to feature a talkback VR3 setting. Coupled with the Uniden BWZG1889001 6-Pin to 4-Pin CB Microphone Adapter you have the flexibility to connect whatever you choose. 

Best Mic for General Lee CB Radio

The three best CB microphones for a General Lee CB radio are; The Astatic 636L, Roadking RK-56, and the Astatic 302-636LB1. These three all offer great sound quality, durability and will fit perfectly in the General Lee CB.


The Astatic 636L is designed with a heavy duty construction and noise-canceling capability. The Roadking RK-56 offers an adjustable gain control for better mic sensitivity and an extended frequency response for clearer communication. Finally, the Astatic 302-636LB1 is the top choice overall due to the high-durability, noise-cancellation and overall toughness. 

Best Noise Cancelling CB Microphone
Astatic 302-636LB1 Black Noise Cancelling 4 Pin CB Microphone
  • World famous replacement mic
  • Rugged housing design
  • Polyurethane coated steel grille screen
  • Low-impedance dynamic element
  • Coiled cord

Are Astatic CB mics good?

Astatic CB microphones are the industry standard in sound quality for CB, Amateur, and Single Side Band communications. Their superior noise-canceling abilities and rugged construction make them unrivaled among their peers.


With Astatic mics you never have to worry about your audio not sounding clear - they give you a crystal-clear connection every time. In the list above, I have included 3 Astatic mics in my top 5 at the top list, so that goes to show how much I value their brand and the quality of microphones.

Are CB microphones interchangeable?

While it is common for radio manufacturers to construct their microphones similarly in order to allow interchanging between radios, this isn't always the case.


As such, it's important to research the compatibility of your specific radio and microphone model before attempting to interchange them.

In addition, certain adapters may be needed in order to make this possible.


Generally speaking, most CB radios use 4-pin mics while many Amateur and Single Side Band radios use either 6-pin or 8 pin mics.


You might be interested in: The 6 Best SSB CB Radios Worth Buying

What is an amplified CB microphone?

Does a power mic help a CB radio?

A power CB mic, also known as an amplified CB microphone is a device that boosts your voice volume and clarity with its own internal amplifier. Most models use batteries. Some models even come equipped with modulation and frequency controls, allowing you to create a unique sound that stands out among the noise on any channel.


Make sure you maximize these features so your once-dull voice has no trouble cutting through the crowd.


A CB power mic features its own amplification circuit, transforming even a basic unit into one with high-caliber audio. Upgrade to an amplified mic and you'll be surprised at how much better your station sounds.

What does mic Gain do on CB radios?


Microphone gain is the process of amplifying a microphone signal to make it suitable for professional audio equipment by raising its strength from mic level up to line level.


Learn more about Gain - What is gain & How does it impact my radio signal?

 Should Mic Gain be High or Low?


The gain amplifies the signal, meaning that if you want to make it louder, the higher your gain must be. For example, when using a microphone with low sensitivity levels, adjusting your gain will help amplify and increase its volume.


Additionally, one of the most important aspects of controlling sound is through regulating tone which can be managed effectively by manipulating your gains accordingly.


What happens if the gain is too high?

Too much gain can be a double-edged sword; it may create the desired distorted audio with an amplifier but result in undesirable clipping and distortion when striving for a clean tone.


Therefore, your aim should be to achieve the right amount of input gain so as to get sound that is neither too quiet nor overdriven.


What happens if gain is too low?

Too low of a gain setting can lead to your amplifier not reaching its full potential, causing the source unit's signal to clip and become distorted before being sent out through the speakers.


This is especially pertinent when connected with sources that generate lower than 2.5 Volts - which are usually found in factory-standard equipment (OEM).

Hi & Welcome!

My name is Jeremy and I have been an avid car nut for many year. My first car was an 1987 Honda CRX. I put a CB Radio in it when my car radio went out and have been an avid user of CBs and car radios for years. I'll do my best to share my tips, information and thoughts to help you with what ever question you might have, ABOUT ME