Best PA Systems For Cars and Trucks 

Let’s face it, standard car horns are about as effective as a kitten’s meow in getting attention on the road. Between blaring music, loud engines, and distracted drivers, sometimes a more powerful voice is needed. Whether you’re a professional driver needing to communicate with a crew, a safety officer coordinating at an event, or just someone who wants to ensure they’re heard in emergencies, a good PA system for your car or truck can be a game-changer.

• Studies have shown that a significant portion of road accidents involve a failure to communicate effectively.
• Equipping your vehicle with a PA system can bridge that gap,  increasing safety and awareness for you and those around you.

But with so many options on the market, choosing the right PA system can be overwhelming.  This blog post is here to help! We’ll break down the key features to consider, explore different types of PA systems, and highlight some of the best options available for both cars and trucks.  

Best PA Systems for Cars and Trucks: Comparison 

Best PA Systems for Cars and Trucks	Power Output (Watts)	Noise Level (dB)	Check Reviews
SoundAlert 12V 100W Police Siren PA System	100	118-124	Buy Now
SZLYYDS PA System	100	100-110	Buy Now
SMALLFATW Police Siren PA System	200	130	Buy Now
LAMPHUS ThunderWave 100W Emergency Police Siren Speaker Kit	100	126-134	Buy Now
BooYu 12V 200W 9 Tones Police Warning Emergency Siren PA System	200	125-135	Buy Now

List Of The Best PA Systems For Cars and Trucks 

SoundAlert Police Siren PA System 

Starting off, it was tough for us to choose the best option among the many we tested. They were all great, but the 100W PA system from SoundAlert really stood out. It’s designed with care to give powerful sound and can be used in many different ways. Plus, it’s tough and reliable, perfect for anyone who needs clear communication in any situation.

Performance and Ease of Use

Setting up the SoundAlert system is easy, even for people who aren’t tech-savvy. Once it’s installed, it gives out loud and clear signals, even in noisy places. It has different sound options like wail, yelp, and hi-low tones, along with an electronic air horn. You can control each sound easily, even in stressful situations. It also has cool features like horn override, which lets it work with your car’s horn, and a radio rebroadcast feature that adds even more usefulness.

Durability

The SoundAlert is built to last, with a waterproof rating that means it can handle rough weather without any issues. This makes it perfect for using outdoors in any kind of climate.

Specifications:

• Power Output: 100 Watts
• Noise Level: 118-124 dB
• Voltage: 12 Volts
• Dimensions: 10.25″L x 8.25″W x 6″H
• Control Method: Touch
• Impedance: 8 Ohms
• Frequency Range: 400-4000 Hz
• Waterproof Rating: IP66
• Installation: User-friendly, suitable for DIY
• Additional Features: Horn override, radio rebroadcast, dual 16A switches

Pros

• Clear audio output at high decibels.
• IP66 waterproof and durable construction.
• Includes horn override and radio rebroadcast.
• Simplified setup with intuitive controls.
• Easily fits within various vehicle layouts.

Cons

• Some technical know-how required.
• Higher upfront investment for quality.
• While compact, still requires space allocation.

SZLYYDS PA System for Car

SZLYYDS’ PA System comes after SoundAlert on the list of top PA systems for cars and trucks. It’s a modern choice designed for drivers who want a reliable, simple public address system. This system stands out for its easy setup and use, making it great for regular users who want a functional PA system in their vehicles.

Performance and Ease of Use

This model is known for its plug-and-play setup, which is very easy and doesn’t need much technical know-how. It works with a wide range of vehicles, offering flexibility that most users appreciate. Once set up, the system has seven different sound tones that you can switch between with the press of a button. This makes it handy for various situations like emergencies or events.

The system’s sound output is strong, ranging from 100 to 110 dB, ensuring clear and loud sound even from far away. Its compact design doesn’t take up much space in the vehicle, and its modern look fits well in modern car interiors.

Durability

Made from tough acrylonitrile butadiene styrene (ABS), the SZLYYDS PA System is built to last. It can handle water and corrosion, so it’s suitable for different environments and weather conditions.

Specifications:

• Power Output: 100 Watts
• Noise Level: 100-110 dB
• Voltage: 12 Volts
• Dimensions: 0.78 x 0.56 x 0.88 inches
• Material: Acrylonitrile Butadiene Styrene (ABS)
• Installation: Easy, DIY friendly
• Additional Features: 7 distinctive sound tones, universal fit, waterproof

Pros

• Straightforward functionality, ideal for beginners.
• High decibel levels ensure audibility over distance.
• Made from high-quality ABS for longevity.
• Modern look that blends well with vehicle interiors.
• Suitable for all weather conditions.

Cons

• Lacks advanced features like wireless control or customizable tones.
• While generally easy, may require additional tools or parts not included.

SMALLFATW Police Siren PA System

For those seeking a powerful and reliable PA system at a fair price, we recommend the Police Siren PA system from SMALLFATW. This system stands out for its many features and the convenient wireless remote control it offers.

Performance and Ease of Use

The SMALLFATW system comes with a wireless remote that works up to 15 meters away, making it super easy to use. It offers 20 different tones, perfect for different needs, especially in large vehicles or situations where reaching the controller quickly isn’t possible.

The sound output is strong, reaching up to 130 dB, ensuring clear announcements even in loud environments. Installing it is simple for those with some technical know-how, and it works well with most vehicle types.

Durability

The product when compared to other PA systems is tough, built to handle daily use in tough conditions. It’s weatherproof, making it ideal for use in any weather, ensuring it stays reliable when you need it most.

Specifications:

• Power Output: 200 Watts
• Noise Level: 130 dB
• Voltage: 12 Volts
• Features: 20 tones, wireless remote control, USB rechargeable
• Installation: User-friendly for those with some technical skills
• Material: Durable, weatherproof housing
• Additional Features: Dual 20A auxiliary switches, wide control range

Pros

• Enhances usability with extensive remote operations.
• Extremely loud, ensuring clear audibility.
• Includes 20 different tones for various situations.
• Robust and weatherproof for reliable outdoor use.
• Compatible with a wide range of vehicles.

Cons

• Might be overwhelming for non-professional users.
• Requires regular charging of the remote control.
• Higher price point due to advanced features.
• Bulkier compared to simpler systems, which may require careful placement.

LAMPHUS ThunderWave Police Siren Speaker Kit

This LAMPHUS kit is perfect for people who need a PA system they can customize and make powerful. It’s great for those who want to set up their system easily and have it work well. The kit includes everything you need for an emergency warning system: a loudspeaker, a remote control, and all the wires you need. It’s made to be used on emergency vehicles, pickup trucks, UTVs, and other types of vehicles.

Performance and Ease of Use

This ThunderWave kit works really well, with a sound range of 126-134 decibels. That means the siren can be heard from far away and even in loud places. It comes with a remote controller that you can place wherever is easiest for you, making it simple and safe to use while driving.

The system has five different warning tones, and you can also connect other devices, like your phone, using a 3.5mm audio jack. This means you can use it for more than just sirens, which is handy for different jobs, like emergency services or event management.

Durability

The ThunderWave is built to last, made from strong materials that can handle tough conditions. It’s weather-resistant, so it will keep working well in any weather.

Specifications:

• Power Output: 100 Watts
• Noise Level: 126-134 dB
• Frequency Range: 500-5000 Hz
• Voltage: 12 Volts
• Installation: Remote-mount controller with multiple mounting options
• Material: Durable, weather-resistant components
• Additional Features: Customizable LED backlighting, 3.5mm audio jack, two 15A auxiliary circuits

Pros

• Offers flexible installation options and settings.
• High dB range ensures wide area coverage.
• Connects to external audio sources for varied use.
• Built to withstand adverse conditions.
• Remote mounting and easy access to controls.

Cons

• May require more intricate installation than simpler systems.
• More bulky components may challenge installation.
• Higher power requirements might strain vehicle electrical systems.

BooYu PA System

The last pick, the BooYu PA System suits folks seeking a tough, flexible public address setup for emergencies. It’s great for vehicles like cop cars, ambulances, or even private rides needing a loud warning system.

Performance and Ease of Use

This BooYu system pumps out 200W of power, blasting sound between 125-135 dB, making it super loud. This helps it cut through noise and travel far, crucial in emergencies. It offers nine siren tones for different needs and situations.

Installing it is a breeze, thanks to its universal fit and all-inclusive kit. It’s designed to easily fit into most vehicles without major changes.

Durability

Built with a sturdy aluminum body that resists corrosion and rated IP66 waterproof, the BooYu PA system can handle rough conditions. It stays tough through daily use and any weather, keeping it reliable over time.

Specifications:

• Power Output: 200 Watts
• Noise Level: 125-135 dB
• Voltage: 12 Volts (DC)
• Material: Aluminum
• Waterproof Rating: IP66
• Additional Features: 9 siren tones, universal fit, additional power switches for accessories

Pros

• Ensures messages are heard in any environment.
• Nine different tones for varied situations.
• Corrosion-resistant and waterproof for longevity.
• Compatible with a wide range of vehicles.
• Includes additional switches for powering other devices.

Cons

• Might be overkill for non-professional needs.
• High wattage could strain smaller vehicle electrical systems.
• Requires adequate space for optimal placement.

 

Factors When Buying A PA System For Your Car/Truck

PA systems aren’t as common in cars as they are in trucks. People who install PA systems in their cars typically do so for emergencies or for car shows/competitions where they might be blasting music or using a microphone.  For trucks, PA systems are more common and can be used for various reasons such as:

Communicating with other drivers (especially useful for large trucks)

• Warning of road hazards
• Directing traffic during emergencies
• Broadcasting events

Here’s what to consider when choosing a PA system for your car or truck:

1. Purpose

Consider what you’ll be using the PA system for. Different functionalities may be important depending on your needs. For example, if you’re looking to use it for emergencies, a system with a siren function might be a good idea.

Power

How much power do you need? This will depend on the size of your vehicle and how loud you need the system to be.  A small car won’t need as powerful a system as a large truck.

Power output is measured in watts (W).  Here’s a general guideline:

• 15-50 watts: Good for small cars
• 50-100 watts: Good for mid-size cars and SUVs
• 100+ watts: Good for trucks

2. Speakers

How many speakers do you need? This will also depend on the size of your vehicle and how loud you need the system to be. Most PA systems come with one or two speakers, but you can always add more.

3. Durability

Especially for trucks, consider how weatherproof the system is. If it’ll be exposed to the elements, you’ll need a system that can handle rain, snow, dust, etc.

4. Installation

How comfortable are you installing the system yourself? Some systems are easier to install than others.

5. Price

PA systems can range in price from around $50 to $500 or more. Consider how much you’re willing to spend before you start shopping.

Here are some additional specs to consider when looking at PA systems:

• Frequency response: This refers to the range of frequencies that the speaker can produce. A wider frequency response will result in more accurate sound reproduction.
• Sensitivity: Refers to how loud the speaker can play for a given amount of power. A higher sensitivity rating means that the speaker will be louder.
• Impedance: Refers to the electrical resistance of the speaker. The impedance of the speaker needs to match the impedance of the amplifier. 

 

How To Install A PA System In Your Car/Truck? 

Installing a PA system in your car or truck can be a fun project that adds functionality, letting you speak clearly outside the vehicle. Here’s a simple guide to help you get started:

Choosing a PA System:

Look for systems made for vehicles, usually 12-volt, and think about how much power you need for the size of your vehicle or where you’ll use it.

Planning and Preparation:

Sketch out where you’ll put the speaker, microphone, and control unit, and how you’ll run the wires. Keep things accessible and tidy inside the car.

Mounting the Components:

Secure the speaker in the engine bay, the microphone near the driver’s seat, and the control unit somewhere easy to reach inside the car.

Wiring:

Follow your plan to connect everything, making sure wires are safely routed and insulated. You might need to drill a hole for the wires to pass through the firewall.

Power Connection:

Connect the power wire to a reliable 12-volt source in the car, using a fuse for safety. Ground the system properly to ensure electricity flows correctly.

Testing and Final Touches:

Double-check your connections and test the system with someone outside the car. Secure any loose wires and tidy up for a clean finish.

Additional Tips:

• Use the right tools like wire strippers and crimpers. 
• Watch online videos for help if you’re new to this kind of project. 

 

How To Improve Sound Quality Of A PA System?

There are a few ways to enhance your PA system’s sound quality:

• Choose a system with a high-fidelity speaker: Look for speakers made with durable materials like Kevlar for better sound dispersion.
• Use a windscreen: This furry microphone cover reduces wind noise and improves voice clarity, especially when using your PA system outdoors.
• Adjust the EQ settings: Most PA systems have built-in equalization (EQ) controls. Play around with these settings to find the optimal balance for your voice or music.

 

Types Of PA Systems Available For Cars and Trucks

The two main types of PA systems for vehicles are:

• Horn PA Systems: These mount on the roof of your vehicle and project sound through integrated speakers. They are typically more powerful and have a longer range than other options.
• Compact PA Systems: These are smaller and more portable PA systems that can be placed inside the vehicle. They are often used with a wireless microphone and may be better suited for short-range communication. 

 

Frequently Asked Questions 

How difficult is it to install a PA system in my car or truck?

Horn PA systems typically require minimal installation, using straps and suction cups to mount on your roof. Compact PA systems may not require any installation at all.

Can I connect a siren or other warning devices to my PA system?

Some PA systems, particularly those designed for emergency vehicles, offer auxiliary outputs specifically for connecting sirens or air horns.  Double-check the product specifications of the PA system you’re considering.

Is a PA system different from a car stereo?

While both can project sound, PA systems are designed for public address applications, prioritizing loudness and clear communication over fidelity and musical detail.  Car stereos are optimized for enjoyable music listening within the car’s cabin.

Conclusion 

In short, pick a PA system with enough power for your needs and weatherproofing to handle the elements. With the right one, you’ll be heard loud and clear. Cruise on!