8/18/2023 0 Comments Viofo a129 pro duo dash cam![]() Dual 4K + Full HD recordingsīecause the Viofo A129 Pro Duo 4K GPS is equipped with two cameras, this dashcam can record both in front of and behind the car. In addition to the image quality, this Viofo A129 Pro Duo 4K GPS is equipped with super fast and stable Dual-Band Wifi (2.4 GHz and 5.0 GHz), it comes with a GPS mount included and there is the possibility to operate it with an optional Bluetooth SOS button. I’m still thinking most users would be better off with 1080p for everyday use, but for pros that want to capture fine detail, this camera is the real deal and 4K UHD probably worth the extra expense.This Viofo A129 Pro Duo 4K GPS is the updated version of the A129 Duo with beautiful 4K resolution on the front and Full HD at the rear. Check out the license plate in the first capture, and you’ll see what I mean. Its captures show a large increase in detail without use of a sharpening filter. Then I saw the A129 Pro Duo’s front captures, and I’ve had a rethink. Not only that, but my first looks at 2160p video from other dash cams revealed only a slight uptick in detail for that 400-percent increase in storage requirements. You can blow through a 32GB SD card in less than two hours at that rate, and under constant use you’ll wear out said SD card quicker as well. That’s four times the requirement for 1080p. I’ve been pretty iffy on the whole 4K UHD dash cam concept, largely because 2160p video requires almost 1GB of storage for every three minutes of video. Current date and time are a feature of GPS, and I’m not sure why some vendors don’t take advantage of that. There’s GPS on board, and unlike some other dash cams I’ve seen recently, it will set the date and time automatically. Being paranoid, I’d prefer 10 to 15 seconds, but 5 will likely cover the most important post-impact action. A capacitor will power the unit for approximately 5 seconds after removal of 12-volt. The stated operating temperature range for the A120 Pro Duo is from +14 degrees to +140 degrees Fahrenheit. ![]() Both are adjustable only on the vertical plane, so careful alignment during install is necessary for the best results. The Viofo A129 Pro Duo consists of a 130-degree field of view (FOV) main 4K UHD camera using a Sony EXMOR IMX317 sensor, and a 140-degree FOV 1080p rear camera (Sony EXMOR IMX291) that connects via a long and somewhat thick cable. ![]() Go there for information on competing products and how we test them. This review is part of our ongoing roundup of the best dash cams. The main A129 Pro camera is also available separately (currently $179.90 on Amazon) Remove non-product link. Compare to the Nextbase 422GW or its more price-competitive 322GW sibling, which offer largely the same feature set. Throw in integrated GPS, and this is quite likely the best pure front/rear dash cam combo we’ve tested yet. The rear video is some of the best 1080p I’ve seen. As the 4K UHD upgrade from the Viofo A129 Duo (currently $169.90 on Amazon), the front video shows enough detail to make me think that the extra storage space 4K UHD requires (four times 1080p) might actually be worth it. Viofo’s A129 Pro Duo must be performing some level of optical and video processing voodoo, because this front/rear dash cam combo ( $250 on Amazon) captures are nearly perfect. Price comparison from over 24,000 stores worldwide
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