Did you know a car is stolen every 43 seconds in the United States? That’s a scary fact! Sadly, your car is a target. The factory alarm that comes with your car might not be enough to keep thieves away. It’s like having a lock on your door that’s easy to pick.
Choosing an aftermarket car alarm can feel overwhelming. There are so many brands, features, and confusing tech terms. How do you know which one is best for your needs and budget? This blog post will help you. We’ll break down everything you need to know about aftermarket car alarms. We’ll explain the key features, and the pros and cons of different systems. We’ll also help you pick the right alarm for your car.
By the end, you’ll be able to protect your car and have peace of mind. We’ll cover the basics, from simple alarms to more advanced systems with GPS tracking. Get ready to learn how to keep your car safe and secure. Let’s dive in and explore the best ways to protect your ride!
Our Top 5 Aftermarket Car Alarm Recommendations at a Glance
Top 5 Aftermarket Car Alarm Detailed Reviews
1. 108dB Car Alarm System
Rating: 8.5/10
Protect your vehicle with the 108dB Car Alarm System! This device uses a vibration sensor to detect threats. It has a loud 108dB alarm and a flashing red light to scare away thieves. The system is wireless and comes with a remote control. You can arm and disarm it from up to 66 feet away. It’s easy to install with a magnetic mount. This alarm also works on other things like bikes and doors. Get peace of mind knowing your belongings are safer!
What We Like:
- Powerful 108dB alarm sound to deter thieves.
- Red flashing light alerts people to the problem.
- Three adjustable volume levels for different locations.
- Wireless remote for easy arming and disarming.
- Magnetic mount makes installation simple and tool-free.
- Long battery life with just two AAA batteries.
- Works on cars, trucks, bikes, and more!
What Could Be Improved:
- The soundproofing of a vehicle may affect the alarm’s exterior volume.
This car alarm is a smart choice for anyone who wants extra security. It’s easy to use and provides a good level of protection against theft. Consider getting one today to keep your vehicle and belongings safe!
2. Compustar CS7900-AS All-in-One 2-Way Remote Start and Alarm Bundle w/ 3000 Feet Range
Rating: 9.3/10
The Compustar CS7900-AS is a powerful remote start and alarm system. This bundle helps you protect and control your car. It has a 2-way LCD remote. This remote lets you know if your commands worked. It also alerts you if something happens to your car. The system includes a control module, sensors, and a loud siren. It can work from up to 3000 feet away.
What We Like:
- The 2-way remote gives you peace of mind. You will know your car is secure.
- The 3000-foot range is very long. You can start your car from far away.
- The system has many security features. It can detect intrusion.
What Could Be Improved:
- You need to buy extra parts for some cars. These parts are not included.
- You must have the system installed professionally.
- The wiring diagrams and instructions are not included.
The Compustar CS7900-AS is a good choice for car owners. It offers great features. You get added security and convenience.
3. WSDCAM 113dB Loud Anti Theft Vibration Sensor Alarm Systems for Electric Bike Motorcycle Golf Car Trailer Mailbox Garage Door Waterproof Home Security Bike Accessories Bike Alarm with Remote
Rating: 8.5/10
The WSDCAM 113dB Anti Theft Vibration Sensor Alarm is a smart way to protect your belongings. This alarm system works great for electric bikes, motorcycles, and more. It also works well for things like mailboxes and garage doors. It’s designed to scare away thieves and keep your stuff safe. It’s easy to install and use, making it a great choice for anyone wanting extra security.
What We Like:
- It works with many things like bikes, cars, and mailboxes.
- You can control it with a remote from up to 328 feet away.
- It’s waterproof, so rain won’t hurt it.
- You can change the volume and how sensitive it is.
- The alarm is very loud, reaching up to 113dB.
- It has an SOS feature that calls for help if you fall.
- It’s easy to attach with stickers or straps.
What Could Be Improved:
- The remote’s battery life could be longer.
- The instructions could be clearer.
This WSDCAM alarm offers good protection at a reasonable price. It’s a smart investment for anyone looking to add security to their bikes or other valuables.
4. CARLOCK Anti Theft Car Device – Real Time 4G Car Tracker & Car Alarm System. Comes with Device & Phone App. Tracks Your Car in Real Time & Notifies You Immediately of Suspicious Behavior.OBD Plug&Play
Rating: 8.5/10
The CARLOCK Anti Theft Car Device is a smart way to keep your car safe. This device uses 4G technology to track your car in real time. It also acts as a car alarm. You get alerts on your phone if something is wrong. The device plugs right into your car’s OBD port.
What We Like:
- You can work and sleep without worry. CarLock alerts you if your car moves or if the engine starts.
- It helps you monitor your teen drivers. The device finds harsh driving like hard braking.
- It acts like a virtual mechanic. CarLock tells you if your car battery is low.
- It’s like GPS, but better! You can see where your car has been with detailed trip tracking.
- It’s very affordable. You only pay $9.95 a month, and the first month is FREE!
What Could Be Improved:
- It depends on the car’s OBD port.
- Monthly subscription required.
CarLock is a smart choice for keeping your car secure. It gives you peace of mind at a good price.
5. ePathChina Universal 12V Auto Car Alarm Keyless Entry System with Remote Control Siren Sensor
Rating: 9.2/10
The ePathChina Universal 12V Auto Car Alarm is a keyless entry system. It has a remote control and a siren. It aims to keep your car safe. This system offers many features to protect your vehicle from theft and make it easier to use. You can lock and unlock your doors with a remote. It also has a warning system to alert you if something is wrong.
What We Like:
- The system warns you if your car is in danger.
- It stops the engine if someone tries to steal your car.
- You can unlock the trunk with the remote.
- It automatically locks the doors.
- The system remembers the settings even if the power goes out.
- It helps you find your car in a parking lot.
- It can control the central door locking system.
- It has a door unclosed warning.
What Could Be Improved:
- The instructions might be hard to understand.
- Installation could be tricky for some users.
Overall, the ePathChina Universal 12V Auto Car Alarm is a good choice for car security. It has many useful features to protect your car.
Ready to Secure Your Ride? A Guide to Aftermarket Car Alarms
Are you worried about your car getting stolen? An aftermarket car alarm is a great way to protect it. This guide will help you choose the right one.
Key Features to Look For
You want a car alarm that does its job! Here are some important features to consider:
- Siren: This is the loud noise that alerts you and others. Make sure it’s loud enough to be heard!
- Sensors: These detect threats. Some common sensors include:
- Shock Sensor: Detects impacts, like someone trying to break a window.
- Tilt Sensor: Alerts you if the car is being towed or jacked up.
- Proximity Sensor: Warns you if someone gets too close to your car.
- Remote Control: This lets you arm and disarm the alarm. You can also often unlock your doors.
- Immobilizer: This stops the engine from starting without the correct key or code. It makes your car much harder to steal.
- GPS Tracking: Some alarms have this. It helps you find your car if it’s stolen.
- Smartphone Integration: Many alarms connect to your phone. You can control the alarm, get alerts, and see your car’s location.
Important Materials
The materials used in the alarm matter. They affect how well the alarm works and how long it lasts.
- Control Unit: This is the “brain” of the alarm. It should be made of strong, durable materials.
- Wiring: Look for good quality wiring. It needs to withstand heat and vibration.
- Sensors: Sensors should be made of tough materials that can handle different weather conditions.
Factors That Improve or Reduce Quality
Some things make an alarm better, and some things make it worse.
- Quality Improves with:
- Reputable Brands: Choose alarms from well-known brands. They usually have better quality products.
- Professional Installation: Getting the alarm installed by a professional is important. They know how to install it correctly.
- Warranty: A good warranty shows the manufacturer believes in its product.
- Quality Reduces with:
- Cheap Materials: Alarms made with cheap parts are likely to fail sooner.
- DIY Installation (Unless you are experienced): If you don’t know what you are doing, you could damage your car’s electrical system.
- Lack of Features: A basic alarm might not protect your car well.
User Experience and Use Cases
How easy is the alarm to use? Here are some things to think about:
- Ease of Use: The alarm should be easy to arm and disarm. The remote control should be simple to understand.
- Reliability: The alarm should work every time. You don’t want it to fail when you need it most.
- Use Cases:
- Preventing Theft: The main use is to stop thieves from stealing your car.
- Protecting Valuables: The alarm protects things inside your car, like your stereo or belongings.
- Peace of Mind: Knowing your car is protected gives you peace of mind.
Aftermarket Car Alarm FAQs
Here are some common questions about aftermarket car alarms:
Q: How does an aftermarket car alarm work?
A: The alarm uses sensors to detect threats. If a threat is detected, the alarm will sound the siren and alert you.
Q: Is it hard to install an aftermarket car alarm?
A: Installation can be tricky. You might need to cut and connect wires. It’s best to get it professionally installed.
Q: Will an aftermarket car alarm drain my car battery?
A: A well-made alarm should not drain your battery significantly. However, it uses some power to stay active.
Q: Can I install an aftermarket car alarm myself?
A: Yes, you can try. You will need to understand car electrical systems. It is better to have it installed by a professional.
Q: What happens if the thief cuts the wires?
A: A good alarm has features to prevent this. Some alarms have backup batteries. Some have anti-cut features.
Q: What is the range of the remote control?
A: The range varies. Some remotes work from a few feet away. Others work from hundreds of feet away.
Q: What if I forget my remote?
A: Most alarms have a way to disarm them without the remote. They might use a code or a key.
Q: Do I need a car alarm if my car already has one?
A: Factory alarms are often basic. An aftermarket alarm usually has more features and better protection.
Q: Can I add an aftermarket car alarm to any car?
A: Yes, you can add one to most cars. Some cars might be easier to install on than others.
Q: How much does an aftermarket car alarm cost?
A: Prices vary. Basic alarms are cheaper. Feature-rich alarms with GPS tracking are more expensive.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.

Hey there, My name is Joe Martin & I’m the author of OffroadersGuild.com. I’ve been hitting the dirt for a while now. I’ve been off-roading in all sorts of vehicles, from Jeeps to trucks and everything in between.
I’ve also built and modified a few off-road vehicles of my own, so I know what works and what doesn’t when it comes to upgrading and modifying off-road vehicles. I started this website to share my experience and help others get the most out of their off-roading adventures. Let’s hit the trails!