The external speaker is one of the most important parts of any CB radio system. The quality of your radio system is manifested the most clearly through the audio performance. Therefore, it is understandable that you should invest in the best CB external speaker for a better CB radio experience.
I know that there are built-in speakers in most CB radios and many people might not understand why you have to purchase a separate one. However, you will see the difference once you have equipped your CB radio system with an external speaker.
The external speaker does not simply increase the volume of the audio, it makes the sound output clearer and much more stable. Hence, the sound quality is significantly improved, and you would never get to enjoy this if you stayed with the default radio speakers.
Now, you’ve known why the external speaker is a must in the collection of any radio lovers, you should definitely get one for yourself. However, the search for a suitable device can be quite challenging, considering a wide selection of external speaker models on the market.
But don’t worry too much, we are here to help you. We have compiled a list full of the best CB external speakers with detailed reviews for reference. Read through it carefully and make your own choice.
|Best Overall||Best Sound Quality||Most Budget-Friendly|
|Preview||RoadPro RPSP-15||Uniden BC15||Cobra HG S500|
|Dimensions||8.6 x 4.7 x 2.3 inches||4 x 2.5 x 4 inches||3.3 x 5.3 x 5.6 inches|
|Weight||0.55 pounds||1.389 pounds||2 pounds|
|Speaker||8 Ohm/ 5 W||35 mm/ 15 W||101 mm/ 15 W|
- Best CB External Speaker Reviews
- 1. RoadPro RPSP-15 Universal CB Extension Speaker
- 2. Uniden Bearcat 15-Watt External Communications Speaker
- 3. Cobra HG S500 Highgear CB Speaker
- 4. Astatic 302-VS4 Classic External CB Speaker 5 Watts
- 5. VECTORCOM TRD550 Rectangular 3.5mm Plug 5W External Speaker
- 6. Midland 21-406 Deluxe Radio CB / Amateur / Marine Extension Speaker
- 7. RoadPro RP-108C 2-3/4″ CB Extension Speaker with Swivel Bracket
- 8. ZAXIDALER Rectangular External Communications Speaker
- 9. Radioddity CB Mobile Radio External Speaker
- 10. Wilson Antennas 305600CHR Chrome Finish CB Extension Speaker
- 11. Pro Trucker CB Radio 5 Watt External Speaker
- 12. Zerone Mini Walkie Talkie CB External Speaker
- What to Look for When Buying a CB External Speaker
- Other Important Factors to Consider
- Frequently Asked Questions
Best CB External Speaker Reviews
1. RoadPro RPSP-15 Universal CB Extension Speaker
The first CB radio external speaker that I’m going to introduce is a product from RoadPro. I think this external speaker would make a great part of your CB radio system, considering all of its amazing features. Let’s look into details and then decide whether this product is the perfect fit or not.
I’m impressed with the construction of this small and portable external speaker. It is well-built and can last for a long time. The product comes in full black: the body is made of plastic, while the mesh grill is made of durable metal. If you take care of it carefully, this CB speaker can make a good companion.
The product is generally small so that it can be placed anywhere without taking up too much space. This CB radio speaker also features a swivel bracket so that you can install your external speaker on different surfaces.
This product is also easy to use. There is no complicated control panel or confusing knobs and buttons. Just plug the device to your radio system, make some adjustments and you are good to go. I highly appreciate the friendly user interface of this speaker for CB.
I can say that this CB radio external speaker delivers impressive sound quality. The sound is stable and clear. Moreover, there is no significant distortion even when you turn up the volume. Many people are also satisfied with all the volume range of this speaker.
In the product package, you will also receive some speaker accessories, including an 8’ cable and 3.5mm plug. Overall, this radio speaker is budget-friendly and is probably the best external speaker for CB radio at a price.
2. Uniden Bearcat 15-Watt External Communications Speaker
The next product from Uniden is certainly one of the best CB radio speakers that you should take a look at. I promise you won’t be disappointed with all the wonderful aspects of this radio speaker. If you are looking for a high-quality speaker to use at both home and workplace, this product is the answer.
First of all, the design of the product is rather simple, with two color tones: black and silver. Almost the parts of this product is in plastic, while the mesh grill is made of strong and durable material. Moreover, there is a bracket so that you can mount the device on any location without much difficulty.
This CB extension speaker can work on whichever type of radio that supports 3.5mm plug, from scanners, ham radios, to CB radios. The maximum power of the product is 15 watts, promising to bring out the best of your radio’s audio quality.
The audio quality is relatively impressive. The sound output of this speaker is clear and stable, which will satisfy even the most difficult customer. Furthermore, this radio accessory features a noise blanker to reduce the noises and electrical interferences for better audio performance.
There is also a 10-foot wire to connect the device to your radio. The cord is long enough for you to work with comfortably in most cases. I can say that this a portable radio speaker that can be easily installed almost anywhere. Moreover, the speaker is not bulky at all so you can carry it anywhere effortlessly.
3. Cobra HG S500 Highgear CB Speaker
Coming up next on our recommendation list is Cobra external CB speaker. This is another high-quality product that would not fail to catch your attention. The product stands out because of all the wonderful features and amazing overall performance.
The design of this speaker is simple but the construction is impressive. You can use the product for quite a long time without any huge problems, as long as you take care of it regularly. That is why many users claim that this speaker is considered as a strong and durable one.
With this radio external speaker, you are in for an extraordinary listening experience. The sound delivered through this device is loud, clear, and powerful – thanks to the built-in noise filter. The audio is amplified but not distorted, even at the highest volume range.
A special thing about this external CB radio speaker is the talk-back control feature. You now can monitor your talking voice at the same time it is transmitted. This feature could be convenient and useful in many cases, especially when used as a public announcement device.
With the maximum power of 15 watts, this speaker for CB is a relatively powerful product that can work for a long time. It is also suitable for outdoor use, seeing that this device is well-built to last despite conditions.
4. Astatic 302-VS4 Classic External CB Speaker 5 Watts
The fourth product is a CB radio speaker of supreme quality from the well-known brand Astatic. This device does its jobs wonderfully and would live up to your expectations. This is a basic, no-frills but effective product that is worth your money.
This small external CB speaker is relatively light so it can be moved around at ease. I really appreciate the portability of this product and I believe it would benefit many customers who travel frequently. Moreover, this pocket-sized speaker can fit in different places.
The product comes in a full black color. This external CB speaker is made of high-quality materials so you don’t have to worry about how long it will last. The timeless design and the great durability are some of the selling points of this CB radio speaker.
There is also a swivel bracket attached to the speaker’s body so that the product can be mounted to any places you want. Also, it is not hard to install this external CB speaker, even when you are no technician. The user-friendly design of this product certainly helps a lot.
When it comes to the sound quality, this speaker also does not disappoint. The audio is loud and powerful, but still very clear and crisp. You didn’t have to turn the volume all the way up to keep the sound audible. This loud volume makes the product a perfect fit in your truck while you are driving.
5. VECTORCOM TRD550 Rectangular 3.5mm Plug 5W External Speaker
For the next product on our list, we would like to mention a powerful speaker from VECTORCOM. Although it comes at a low price, this device does not pale in comparison with any other model. If you are looking for a radio external speaker that ticks all your boxes, this is the answer.
First of all, the product is reasonably priced, but that does not mean the quality of this speaker is inferior. It is great that customers can purchase a high-quality device at a very good price. Therefore, anyone who is shopping on a budget should definitely consider this wonderful product.
The design of this product is worth the praise. This CB radio speaker is simple and minimalistic so that no one has any difficulty operating and using the product. Moreover, the small size and lightweight enhance the portability of this CB radio speaker, making it more convenient for customers.
The sound quality of this CB radio speaker is generally good. With this product, the audio will be amplified and you can hear it even from a far distance. I believe this external speaker will be a great complement to your radio system, and overall, your radio experience will be significantly improved.
With the impedance of 80 Ohm and the maximum power of 5 watts, this speaker is a powerful device that can do its jobs wonderfully. The product is compatible with different types of devices, such as CB radio, ham radio, transceivers, scanners, and so on.
6. Midland 21-406 Deluxe Radio CB / Amateur / Marine Extension Speaker
The next product from Midland is another product which is seen as one of the best external CB speaker. Every feature of this high-quality device is well-designed and well-built. This is one of my favorite models and you should definitely check this out.
The first thing that I want to mention is the overall design. Both the body and the mesh grill are in black-colored plastic, all creating a consistent look. The casing is thick and durable, but not heavy at all. With this great portability, you can easily carry the device around.
At the back of the device, you will find a mounting swivel bracket that can be adjusted with knobs. You can install the speaker at any place you want with this small bracket. Also, the speaker is designed with a huge magnet in order to keep it in place.
Of course, we can not leave out the sound output of this product. This external speaker can produce clear and crisp audio, which will definitely improve your radio experience. There is little to no glitches or interferences in the sound delivered through this speaker.
7. RoadPro RP-108C 2-3/4″ CB Extension Speaker with Swivel Bracket
The seventh product is a nice extension speaker from RoadPro. This device deserves a spot at the best-selling list, considering all of its strong points. With this small but powerful speaker for CB, you are in for a satisfying experience.
The biggest strength of this device must be its portability. The small size and the lightweight make it easy to move the device around. You can install it inside your car, your truck, and other personal vehicles. Also, it doesn’t take to much time with the installation, even the amateur can do it.
Moreover, attached to the back of the device is a swivel bracket so that the speaker can be mounted on different locations. You are also provided with a 6-foot cord for a wired connection between the speaker and the radio. With all those features, surprisingly, the product is not expensive at all.
This device might look like a little box but the power it holds is so much more than that. With the impedance of 8 ohms and the peak input power of 6 watts, the speaker fulfilled its jobs wonderfully. It produces a loud and clear sound that can reach a long distance. Therefore, this radio external speaker is the perfect fit for outdoor use.
8. ZAXIDALER Rectangular External Communications Speaker
Next, I’m going to introduce to you this box-shaped speaker from ZAXIDALER. This is also a really nice external speaker that you should keep an eye on. I believe this device would make a good investment since it not only looks good but also functions well.
The speaker is relatively small in size, and it doesn’t weigh too much. With all those features, it is safe to say that portability is a noticeable point of this product. This radio external speaker will be a great companion to any CB users.
Installing this speaker for CB is actually simple. In the product package, you are given two sheet metal screws, plug, and cord. Also, with the attached mounting swivel bracket, the speaker can be placed almost anywhere you want. Moreover, the small size helps the device to fit in confined spaces.
The sound output of this CB radio speaker will not let you down. You can enjoy loud, clear, and stable sounds with this powerful speaker. Your listening experience will be completely changed once you upgrade your radio system with this product. The sound is really good, even in high-noise areas.
You can use this external speaker with different types of radios, such as the two-way radios, CB radios, ham radios, or police scanners. In addition, this device would work well as a communication speaker, where the clarity, stability, and volume is prioritized.
9. Radioddity CB Mobile Radio External Speaker
We will conclude our CB external speaker reviews with a great product from Radioddity. I can talk about numerous good points of this device, from the outer appearance to the inner quality. Were I to choose just one word to describe this external CB speaker, it would be ‘amazing’.
First and foremost, I’m amazed by the audio sound quality of this CB radio speaker. The sound delivered through this device is clear and loud. If you notice, you can see that there are way less background noise compared to the ordinary speaker. I believe that it is one great selling point of this CB speaker.
It is actually easy to set up and operate this external CB speaker. You might notice the bracket behind the device, now you’ll have to mount the bracket tightly with screws. Then, you connect the extension speaker to the radio using wire. Done! Now, just sit back and enjoy it.
The provided wire is very long (71’’), so you don’t have to worry that there is not enough length to work with. You will also receive some screws to install the external speaker properly. Remember to check them carefully to make sure you have all the hardware parts. This CB radio speaker has a 3.5mm jack, which means that can compatible with any devices that support the same jack.
10. Wilson Antennas 305600CHR Chrome Finish CB Extension Speaker
The ninth product is a metal CB speaker from Wilson – a neat-looking device at that. Right from the first look, this speaker for CB will certainly catch your attention. Looking into details, you will be even more impressed by how excellent this small device is.
Unlike other models, this CB radio external speaker is covered in full steel, from the outer housing to the mesh grill. The full-metal casing not only gives the speaker a futuristic look but also enhances its durability. With a reasonable price, you will get for yourself a heavy-duty CB speaker device that can last with time.
There is also a swivel bracket attached to the back of this CB external speaker for easy mounting. You can install the speaker onto any places that work best for you. Furthermore, you can totally do it yourself since the installation process is quite simple.
This CB radio external speaker can produce a decent sound quality. The sound is crisp, clear, and stable – and it is so pleasant to the ears. You will have nothing to complain about the audio performance of this product. I guarantee that your radio experience will be significantly improved.
11. Pro Trucker CB Radio 5 Watt External Speaker
It is not an exaggeration to say that this product from Pro Trucker is the best waterproof external CB speaker. If you are looking for a device that can last for a long time, this one would be a smart choice.
The most significant feature of this external CB speaker is the weather-proof quality. This weather-proof cover will protect the device from the impacts of the environment so that you can use it for an extended amount of time. You can also have trust in the great durability of this product.
Personally, I’m impressed with the sound quality of this radio external speaker. Overall, it is loud and clear, you can hardly hear any sizzling sounds. Also, the audio runs smoothly and there are no noise interruptions. I have to praise the stability of this product’s audio performance.
If you are not a fan of bulky electrical devices, I highly recommend this product. The small size allows the CB speaker to fit in most spaces without much difficulty. You can also carry the speaker around comfortably anywhere you want.
12. Zerone Mini Walkie Talkie CB External Speaker
The eleventh product on our list is an external speaker from Zerone. Like other products on the list, this device boasts supreme quality that will not disappoint any customers. This small-sized would definitely change your listening experience for the better.
First of all, the compact size of this product makes it a portable and convenient device. It fits perfectly inside your palm so that you can put the product in your bag and carry it around anywhere. I am a fan of small and delicate designs, so I’m satisfied with this product.
This CB external speaker is made of high-quality materials. I can say that the durability of this product is quite impressive, seeing that it can last with time. A CB speaker like this could be your valuable companion on many occasions.
It is not difficult to use this product. Every detail is designed to be user-friendly so that customers have no struggles installing, operating, and controlling the product. I believe that anyone can figure it out from the first try.
This external CB speaker also has some special features. There is a noise filter that would cancel the sizzling noises for a clearer sound. In addition, you can use the mute switch to turn on/off the external speaker more easily. Both functions work really well and are very helpful to the customers.
The product package would come with an external CB speaker and two screws for you to install the device. Also, there is a 3.5mm plug and a 70.9-inch cable so that you operate the speaker properly.
What to Look for When Buying a CB External Speaker
It’s going to be really confusing when you are presented with a load of different radio speakers at the same time. “What should I look for in a product?” – You will soon ask yourself that question multiple times before reaching a final decision.
Each person has their own definitions of the best radio speaker. There are different priorities, different tastes, and different needs; therefore, it is hard to come up with a common formula to find the best product.
However, we have listed out some factors that we believe the most important aspects when it comes to CB external speakers. Please consider it as a buying guide and refer to it whenever necessary. Here are some bullet points that you should not forget:
Sound quality – The number one thing to pay attention to is the audio quality. You would want to choose the speakers that can produce loud, clear, and stable sounds. Make an audio check if possible to detect any faults with the device before making any purchase.
Also, there is another thing to consider. Each CB external speaker has its own tones and nuances. The differences might not be huge but it can subtly change the way you perceive and enjoy the audio. Some CB speakers have a high tone, while others have a deeper tone. Depending on your preferences, you should decide for yourself.
You should also care about what the CB speakers do to the sound. Some speakers would simply amplify the audio, while in others, there are noise filters to make the sound much clearer. Once again, you should make a choice based on personal needs and preferences.
Materials – The materials that make up the product are directly related to the durability of a CB external speaker. Therefore, you should look for materials with higher quality that can last with time. It would be better if the casing is weatherproof or scratchproof.
Size – Most people prefer small and delicate CB speakers to chunky and heavy models. It is important to know the size since you need to make sure that the device fits the place you have prepared. It would be a disaster if your newly-purchased CB radio external speaker can not fit in your vehicle.
Premium features – Some external speakers can perform certain functions that make them stand out from the rest of the market. Those qualities can be of great assistance in some cases and you would want to have them in your CB speakers.
There are some features that you can look for. For example, an external CB speaker with talkback allows you to hear your voice and then make adjustments. Some CB speakers have decent noise-reducing quality so that you can improve the sound quality.
Other Important Factors to Consider
What is a CB external speaker?
CB external speaker is an essential part of a CB radio system. The radio might have built-in speakers already, but having another external speaker would make a huge difference. Connecting the speaker to your radio would improve the audio quality and give the customers a satisfying listening experience.
How does it work?
It is rather simple to operate and use a CB external speaker. Most radio external speakers support wired connections, which means you can simply plug the device in the radio and it’s good to go. The CB external speaker will help amplify the sound and you will have a better radio experience.
Who is this for?
The CB external speaker is dedicated to radio users who wish to improve their audio quality. It would be suitable for both amateur and professional use, depending on your preferences and needs.
You can use the CB radio external speaker at home, at your workplace, or on road trips, vacations, and so on. The CB external speaker can also be fixed at specific locations and works as a public announcement device.
What are the different types of CB external speakers?
There are a wide variety of external radio speakers available on the market. The two most noticeable types are PA speakers and CB extension speakers. Each type of CB external speaker will serve a specific purpose, so you should choose carefully what works best for you.
Why do you need a CB radio external speaker?
Different types of CB external speakers serve different functions, but they all work to improve the audio quality of your radio. If you want to amplify the audio output, you should look for a PA external speaker. Meanwhile, if you want the sound to be more crisp and clear, the CB extension speaker is the right one.
Frequently Asked Questions
What are the most trusted CB external speaker brands?
There are many brands that provide high-quality external speakers and that might confuse customers. Each person will have their own idea of the best brand, based on the quality of the products or customer service. Some of the most trusted external speakers brands we can name are Astatic, Wilson, RoadPro, Cobra, and so on.
How do I connect my PA speaker to my CB radio?
Connecting the PA speaker to the CB radio would give you a full PA system. You need to wire the two devices correctly, or else the system won’t work. For better visualization, you can tune in some tutorial video and follow accordingly.
What is PA on CB radio?
Like I have mentioned, you will have a full PA system with PA on CB radio. When the PA (Public Address) horns are connected to the CB radios (with the PA speakers mounted on top of the vehicle), you can broadcast your voice over the speakers.
Do CB radios have speakers?
All CB radios have a speaker. If you wish to improve the audio quality, you can totally purchase an external CB speaker and connect it to the radio.
Where to buy?
You can either buy the speakers directly at the store or order online. Either way, you should always stay alert and be careful before making any purchase.
You can visit your local physical stores or any retail chains such as Target, Walmart, and so on. For online shopping sites, I suggest you check out Amazon, HomeDepot, and many more.
How to care and clean?
In order to keep the CB speakers in good condition, you have to take care of it regularly. You should wipe the surface of the external CB speaker gently once in a while to prevent dust from gathering. Keep the product in a dry place and avoid direct sunlight. Also, you should be gentle when handling the device to avoid any scratch or dent.
All in all, each external CB speaker has their own strength and weaknesses, and please remember that what works best for others might not be the perfect fit for you. We hope that with our recommendation, you are able to find the best CB external speaker by your own definition.
Richard Pennington is the one to consult when you need professional insight into electronics. With over a decade of experience in the field of electronics and communication engineering, he now serves as our chief content editor.
He is an advisor for multiple articles and videos with topics revolving around ham radios, electronics devices, and communication.