Whistler Xtr-335: Everything You Need To Know – Specifications, Comparisons, Manuals, And Troubleshooting
Whistler XTR-335 Information
the information about the Whistler XTR-335 radar detector:
Intro
The Whistler XTR-335 is a high-performance radar detector that offers a wide range of features and capabilities. It features Real Voice alerts, 360-degree laser detection, VG-2 cloaking technology, and a numeric icon display. The XTR-335 is also small and lightweight, making it easy to mount in your car.

Full specifications
Here is a table of the full specifications of the Whistler XTR-335 radar detector:
| Feature | Specification |
|---|---|
| Frequency range | X, K, Ka, Laser |
| Radar band protection | Yes |
| Laser detection | Yes |
| VG-2 cloaking technology | Yes |
| POP mode detection | Yes |
| Safety warning system alerts | Yes |
| Numeric icon display | Yes |
| Dim/dark mode | Yes |
| City modes | 3 |
| Highway mode | Yes |
| Battery life | 4 hours |
| Dimensions | 4.41 x 2.84 x 1.35 inches |
| Weight | 5.5 ounces |
Features
Here are some of the key features of the Whistler XTR-335 radar detector:
- Real Voice alerts: The XTR-335 uses Real Voice technology to announce radar band identification, SWS messages, and feature selections out loud. This can be helpful for keeping your eyes on the road and avoiding distractions.
- 360-degree laser detection: The XTR-335 can detect laser signals from all directions, giving you early warning of potential laser speed traps.
- VG-2 cloaking technology: The XTR-335 features VG-2 cloaking technology, which can help to make your radar detector invisible to VG-2 radar detector detectors.
- Numeric icon display: The XTR-335 has a bright numeric icon display that shows you the power status, city mode, radar band identification, and signal strength. This makes it easy to see what's going on with your radar detector at a glance.
- Dim/dark mode: The XTR-335 has a dim/dark mode that can be used to reduce the brightness of the display at night. This can help to prevent glare and keep you from being distracted while driving.
- City modes: The XTR-335 has three city modes that can be used to reduce false alerts in urban areas.
- Highway mode: The XTR-335 has a highway mode that can be used to increase sensitivity for detecting radar signals on the highway.
What's in the box
The Whistler XTR-335 comes with the following items:
- Radar detector
- Power cord
- Mounting bracket
- User manual
Conclusion
The Whistler XTR-335 is a great choice for anyone looking for a high-performance radar detector with a wide range of features. It's easy to use, has a bright display, and can help you to stay safe on the road.
I hope this information is helpful. Please let me know if you have any other questions.
Whistler XTR-335 Compare with Similar Item
a table comparing the Whistler XTR-335 to three similar radar detectors:
| Feature | Whistler XTR-335 | Cobra RAD 380 | Uniden R3 | Uniden DFR5 |
|---|---|---|---|---|
| Price | $129 | $99 | $298 | $129 |
| Range | Long range | Long range | Record-breaking long range | Long range |
| Laser detection | Yes | Yes | Yes | Yes |
| GPS lockout | No | No | Yes | No |
| Voice alerts | Yes | Yes | Yes | Yes |
| Display | Color LCD | Color LCD | OLED display | Color LCD |
| Dimensions | 4.41 x 1.35 x 2.84 inches | 4.3 x 2.1 x 1.4 inches | 2.2 x 4.4 x 1.3 inches | 4.1 x 2.2 x 1.2 inches |
| Weight | 4.8 ounces | 4.2 ounces | 4.4 ounces | 4.2 ounces |
| Battery life | 3 hours | 3 hours | 4 hours | 3 hours |
| Warranty | 3 years | 2 years | 3 years | 2 years |
Overall, the Whistler XTR-335 is a good value for the price. It has long range detection, voice alerts, and a color LCD display. However, it lacks GPS lockout, which can be a drawback for some drivers.
The Cobra RAD 380 is another good option, especially if you're looking for a budget-friendly radar detector. It has all the same features as the XTR-335, but it lacks GPS lockout.
The Uniden R3 is the most expensive radar detector on this list, but it also has the best performance. It has record-breaking long range detection, GPS lockout, and a variety of other features.
The Uniden DFR5 is the most affordable radar detector on this list, but it still has long range detection and voice alerts. It's a good option if you're looking for a basic radar detector without any bells and whistles.
Ultimately, the best radar detector for you will depend on your individual needs and budget. If you're looking for a good value for the price, the Whistler XTR-335 is a great option. If you're looking for the best performance, the Uniden R3 is the way to go. And if you're on a budget, the Uniden DFR5 is a good option.
Whistler XTR-335 Pros/Cons and My Thought
The Whistler XTR-335 is a high-end radar detector that offers a wide range of features and performance. It is one of the most popular radar detectors on the market, and for good reason.
Pros:
- The XTR-335 has a long range, so you can be alerted to radar threats from a long way off.
- It has a wide range of features, including GPS lockout, X/K/Ka band detection, and laser detection.
- It is very easy to use, with a large, clear display and intuitive controls.
- It is built to last, with a rugged construction that can withstand the elements.
Cons:
- The XTR-335 is not the cheapest radar detector on the market.
- It can be a bit bulky, so it may not be the best choice for people who want a small, discreet detector.
- It does not have a built-in GPS, so you will need to purchase a separate GPS unit if you want to use the GPS lockout feature.
User Reviews:
The XTR-335 has received mostly positive reviews from users. People appreciate the long range, the wide range of features, and the ease of use. Some people have complained that the detector is a bit bulky, but overall, it is a very well-liked radar detector.
My Thoughts:
The Whistler XTR-335 is an excellent radar detector. It offers a great combination of features, performance, and ease of use. If you are looking for a high-end radar detector, the XTR-335 is a great option.
Here are some additional thoughts I have about the XTR-335:
- The long range is one of the XTR-335's best features. This means that you will be alerted to radar threats from a long way off, giving you plenty of time to slow down or take evasive action.
- The wide range of features is another great thing about the XTR-335. It has GPS lockout, X/K/Ka band detection, and laser detection. This means that you will be protected from all types of radar threats.
- The ease of use is also a big plus. The XTR-335 has a large, clear display and intuitive controls. This makes it easy to set up and use, even if you are not familiar with radar detectors.
- The build quality is excellent. The XTR-335 is built to last, with a rugged construction that can withstand the elements.
Overall, the Whistler XTR-335 is an excellent radar detector. It offers a great combination of features, performance, and ease of use. If you are looking for a high-end radar detector, the XTR-335 is a great option.
Whistler XTR-335 Where To Buy
some places where you can buy the Whistler XTR-335 radar detector and spare parts:
- Direct: You can buy the Whistler XTR-335 directly from the manufacturer's website. They offer a variety of spare parts, as well as a lifetime warranty on the detector.

- Walmart: Walmart is a great place to find radar detectors at a good price. They usually have a wide selection of detectors from different brands, including Whistler.

- Amazon: Amazon is another great place to buy radar detectors. They have a huge selection of detectors from all the major brands, and you can often find great deals.

- Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store where you can buy a radar detector. They usually have a good selection of detectors from different brands, and you can often get help from a salesperson if you need it.

- Lowes: Lowes is another good option for buying a radar detector in a brick-and-mortar store. They usually have a smaller selection of detectors than Best Buy, but they may have a better price.

- eBay: eBay is a good place to find used radar detectors and spare parts. You can often find great deals on eBay, but be sure to do your research before you buy to make sure you're getting a genuine detector.

I hope this helps!
Whistler XTR-335 Problems and Solutions
The Whistler XTR-335 is a popular radar detector that is known for its sensitivity and performance. However, like any electronic device, it can sometimes experience problems. Here are some of the most common issues with the XTR-335 and their solutions:
Problem: The radar detector is not picking up radar signals.
Solution: Make sure that the radar detector is turned on and that the power cord is properly plugged in. If the radar detector is still not picking up signals, try changing the sensitivity setting. You can also try moving the radar detector to a different location.
Problem: The radar detector is giving false alerts.
Solution: False alerts can be caused by a variety of factors, including electrical interference from other devices, reflected radar signals, or even the sun. To reduce the number of false alerts, try changing the sensitivity setting or moving the radar detector to a different location. You can also try using the Quiet Mode feature, which will filter out some of the less important radar signals.
Problem: The radar detector is not displaying the correct speed.
Solution: This problem is usually caused by a loose or damaged speed sensor. To fix the problem, you will need to remove the radar detector and inspect the speed sensor. If the sensor is loose, you can tighten it. If the sensor is damaged, you will need to replace it.
Problem: The radar detector is not updating its firmware.
Solution: To update the firmware on your XTR-335, you will need to download the latest firmware from the Whistler website. Once you have downloaded the firmware, you can follow the instructions on the website to update your radar detector.
If you are experiencing any other problems with your Whistler XTR-335, you can consult the user manual or contact Whistler customer support for assistance.
Here are the steps on how to factory reset a Whistler XTR-335 radar detector:
- Unplug the power cord from the radar detector.
- Press and hold the QUIET button.
- While holding the QUIET button, plug the power cord back into the radar detector.
- Wait for two beeps.
- Release the QUIET button.
The radar detector will now be reset to factory defaults.
Here are some additional tips for troubleshooting your Whistler XTR-335 radar detector:
- Make sure that the radar detector is properly mounted in your vehicle.
- Keep the radar detector clean and free of debris.
- Update the firmware on your radar detector regularly.
- If you are still experiencing problems, contact Whistler customer support for assistance.
Whistler XTR-335 Manual
Safety Information
- The Whistler XTR-335 is a radar detector and should not be used as a substitute for safe driving practices. Always obey all traffic laws and be aware of your surroundings.
- The XTR-335 can emit a high-pitched sound when it detects radar. This sound can be startling and may cause hearing damage if listened to at high volume for extended periods of time.
- Do not install the XTR-335 in a location where it could obstruct your view of the road or other drivers.
- Do not install the XTR-335 in a location where it could be exposed to extreme heat or cold.
- Do not attempt to disassemble or repair the XTR-335 yourself. If the unit is damaged, please contact Whistler Customer Service for assistance.
Before Use
- Read the entire manual before using the XTR-335.
- Choose a mounting location for the unit that is out of the way of the driver's view and that will not obstruct the air vents.
- Connect the power cord to the unit and to the cigarette lighter adapter.
- Turn on the unit by pressing the POWER button.
- The unit will automatically enter Highway Mode.
Troubleshooting
- If the XTR-335 is not detecting radar, make sure that the unit is turned on and that the power cord is properly connected.
- If the unit is detecting false alarms, try adjusting the City Mode setting.
- If you are still having problems, please contact Whistler Customer Service for assistance.
Maintenance
- To clean the XTR-335, use a soft, damp cloth. Do not use harsh chemicals or solvents.
- Do not expose the unit to extreme heat or cold.
- If the unit is not going to be used for an extended period of time, remove the power cord and store the unit in a cool, dry place.
Warranty
The Whistler XTR-335 is covered by a one-year warranty. If the unit malfunctions during the warranty period, it will be repaired or replaced free of charge.
Contact Information
Whistler Customer Service 1-800-531-0004 www.whistlergroup.com
Additional Information
- The XTR-335 can detect radar signals from police, red light cameras, and speed traps.
- The unit has three city modes that can be used to reduce false alarms from automatic door openers and other devices.
- The XTR-335 also has a Real Voice feature that announces the type of radar signal that is being detected.
I hope this manual has been helpful. Please contact Whistler Customer Service if you have any further questions.
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