Buy Cobra GPSM 4000 Nav One 5-Inch Portable GPS NavigatorCobra GPSM 4000 Nav One 5-Inch Portable GPS Navigator Product Description:
- 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
Product Description
10-22-2007 - Brand New Item. Description - COBRA GPSM 4000 5" NAVONE(TM) 4000 PORTABLE MOBILE NAVIGATION SYSTEM
Customer Reviews
Most helpful customer reviews
53 of 54 people found the following review helpful.
By Warren T. Woodards
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.
26 of 26 people found the following review helpful.
By Allan M. Lees
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... If I hadn't known where I was going I'd have been stuck because the recalculations are painfully slow, leading to a complete loss of usefulness.These days there are better options - though still too few with map view/constant North. I could only recommend this unit to people who don't mind driving excess miles due to really poor routing software.
12 of 12 people found the following review helpful.
By N. Trought
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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