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Cobra GPSM 4000 Nav One 5-Inch Portable GPS Navigator

by Cobra

List Price: $999.99
Price: $199.95 & FREE Shipping. Details
You Save: $800.04 (80%)
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  • Plug-and-play mobile navigation system with built-in mapping database
  • Automatic navigation with turn-by-turn directions and multilingual voice guidance
  • Street-level detail map features 48 contiguous U.S. states, Hawaii, and major Canada metro areas
  • 6 million points of interest; compatible with Cobra's real-time traffic receiver and antenna
  • 5-inch, sunlight-readable, color display; 14 map zoom levels; 1-year warranty
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2 new from $199.95 4 used from $76.91 1 refurbished from $129.99

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Product Information

Technical Details
Item Weight3 pounds
Product Dimensions6 x 2 x 4 inches
Item model numberGPSM 4000
Display Size5 inches
Display Resolution320 x 240
Warranty1 year limited warranty
Battery Life5 hours
  
Additional Information
ASINB000ATT8I6
Best Sellers Rank #197,933 in Electronics (See top 100)
Shipping Weight3.5 pounds (View shipping rates and policies)
ShippingCurrently, item can be shipped only within the U.S.
Date First AvailableJuly 7, 2004
  
Warranty & Support
Warranty, Parts: Parts
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Technical Details

  • Speed
  • ETA (Estimated Time of Arrival)

Product Description

Amazon.com

Navigate your way through city streets and rural roads with the Cobra Nav One 4000 GPS navigation system. Equipped with Cobra's exclusive iASAP satellite acquisition technology, which receives uninterrupted, quick satellite signals even among urban canyons and dense foliage, the device is a must for the driver who doesn't want to mess with paper maps or printed MapQuest directions. The Nav One 4000 works simply: just enter the target address or point of interest, and the unit automatically determines the best route and offers turn-by-turn directions with clear voice guidance. The built-in street-level map of the U.S. and Canada offers full, detailed coverage of potential routes, along with more than six million points of interest from which to choose, including banks, hotels, restaurants, entertainment options, gas stations, and more. And should the driver stray off course or take a detour, the Nav One 4000 automatically recalculates the route and provides fresh directions.

Perhaps the Nav One 4000's most unique feature, however, is its compatibility with Cobra's optional traffic receiver and antenna (sold separately), which offer real-time traffic updates to commuters and travelers. The matchbook-sized receiver receives up-to-the-minute information on traffic accidents, congested roads, and construction zones in 48 major metropolitan areas across the U.S. As the unit processes the info--which it picks up from an FM radio feed via Tele Atlas N.V. and Clear Channel's Total Traffic Network--it automatically determines alternate routes, letting the driver detour around the worst snarls and enjoy a stress-free commute. It's the perfect unit for frustrated commuters and other folks who spend much of their day in the car.

The maps and instructions are easier to read than ever thanks to the 5-inch color display, which sports wide viewing angles and a crisp lighting level that's readable in both bright sunlight and dim moonlight. It also offers 3-D views for easier navigation, along with 14 levels of map zoom and exclusive terrain display, making it simple for the directionally challenged to find their way.

Additional features include a built-in gyroscope that maintains map positioning under tunnels and underpasses; an address book that holds up to 1,000 addresses in 20 customizable folders; multi-stop routing for drivers with complex itineraries; and Trip Planner and Trail mode functions. The Nav One 4000 comes with a dash mount and is backed by a one-year warranty on parts and labor.

What's in the Box
Nav One 4000 receiver and display, mount, user's manual.

Product Description

10-22-2007 - Brand New Item. Description - COBRA GPSM 4000 5" NAVONE(TM) 4000 PORTABLE MOBILE NAVIGATION SYSTEM

Customer Questions & Answers

Customer Reviews

This is THE greatest GPS on the market!
J.Smith
I live in a city with lots of new highways, and you can't get around here at all with this GPS because it doesn't recognize any of the new roads.
Amy Gautreaux
I have a navigation system in my BMW and was hoping for one just as good to use in my motorhome.
Belinda Silva

Most Helpful Customer Reviews

53 of 54 people found the following review helpful By Warren T. Woodards on November 13, 2005
I purchased the 4000 NAV One after extensive research and pondering which route to take. My prerequisites were about the same as all are looking for; Good size screen, preloaded maps, voice prompts that tell you street name, re-route calculations, quick acquisition time, easy software upgrades and numerous POI's. I must say I was skeptical at first with the only brands being on my mind were Garmin and Magellan. I even considered the Pioneer AVIC-N2 in dash navigation unit but quickly shot it down when I found out you have to load the navigation DVD to plot routes, start out on your route and have to pop the DVD back in if you want to bring up another destination or even a simple POI! This is unacceptable for a close to $2000 system (Pioneer is offering a $300 rebate at this time) when most of us will be listening to a CD, or MP3's on it. Oh by the way, the passenger can't even watch DVD's while the car is moving. I narrowed my choices down to the Garmin Street Pilot 2720 and the Cobra 4000 NAV One and weighed the two side by side. I chose the Cobra due to its screen being twice the size and it being a sturdier unit. It has very quick response time, a large color touch screen, customizable in every way. The unit has all that I expected and more, not to mention $100 less than the Street Pilot 2720 but I have to be fair that the 2720 does give you a remote to operate the system.
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27 of 27 people found the following review helpful By Allan M. Lees on January 23, 2007
Verified Purchase
I bought this unit several years ago when there was a much more limited choice available on the market. My main criteria were simple: sufficiently large screen, and map view with constant North. Navigation systems have their glitches and POV-style units force you to trust them. I prefer to see where the nav system wants me to go and make my decision based on what's really best. Garmin and TomTom default to the POV approach and frankly I've heard too many stories of people getting into trouble because they followed the instructions blindly. I like maps.

The voice guidance is crisp and the screen is fingernail responsive. The color palette is easy to scan quickly.

But... when they made this unit they didn't have much faith in the power of the processor chip and maybe they didn't have a very good software team. Here's the issue: the system will designate a route for you. If you decide the route isn't suitable (for example, it is actually quite indirect) then the system will keep trying to force you back onto its original route. This is because it's easier, software-wise, to calculate a "get back to what I want you to do" than to recalculate the entire route. But it leads to absurd situations. Coming back from Nevada I knew that I should travel on I5 to 580. But the system wanted me to go via 680 to San Jose and from there up the peninsula - an unnecessary addition of about 43 miles to my trip. I elected to take the rational route instead (thanks to map view, I could see the nav system's proposed route was absurd). So for the next 67 minutes the system kept recalculating, trying forever to force me back to its original route. It reached the point where I was only 10.7 miles from home but it wanted me to turn around and drive 126.3 miles via the original route...
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12 of 12 people found the following review helpful By N. Trought on November 3, 2006
Verified Purchase
I actually love the Cobra GPSM 4000 Nav One. However, there is a problem it has that is not just some small problem to me. On several occasions, it gives the incorrect names for exits. The saving grace is that the distance until you reach the exit is correct. For example, I needed to take interstate 64W. Exit 64W was 1 mile away, and exit 64E was 0.5 mile away. The Cobra told me to take exit 64E in 1 mile. Therefore, I have been able to take the correct exit because it gives the correct distance, but it shouldn't be that way.

Other than that issue, I love the Cobra 4000. It is great to have it in the car and have access to Points of Interests immediately. I also like that I can plot the point of someplace I want to return again, and save that place to my address book. It is also quick to find where you are.
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12 of 12 people found the following review helpful By PCHelp on August 22, 2006
Our primary criteria were good visibility while mounted on the dash (or windshield) and, naturally, something that would be reasonably easy to use. This certainly meets those. The only visibility problem we had was that the screen was *too* bright while driving at night-fortunately there were two of us so the screen could be turned towards the passenger & away from the driver. Bright sun-never a problem. Driver's ability to read the screen when unit was mounted in front of the passenger-never a problem.

We had a problem in one area where roads that, according to the unit, crossed the freeway didn't. It kept telling us to take left turns that didn't exist, but we just kept going until we found a road that did cross, and it re-computed the route nicely.

Our salesperson warned us that the database only contained 'yellow page' addresses, but he was nice enough to suggest that we use the Map function to locate the nearest intersection & route to that when trying to find an address that wasn't in the database. That worked pretty well for us although we have a lot more learning to do before we'll feel really comfortable moving around in the map.

Similarly, we have quite a bit more learning to do before we'll be really comfortable designing a route we actually want. I'd like to see an option to say 'take this road' as well as the 'avoid this road' option-but I can realize the programming problems involved with that (e.g. the road you want to take may not take you where you want to go). Once both of the choices (fastest & shortest routes) took us on confusing winding paths when there was a more easily navigable option I could see on the map-but I couldn't figure out how to get the unit to map that route.
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