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137 in Dash Cams

VIOFO - A139 Pro 2CH IR (Front + Interior)

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Reddit Reviews:


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Based on 1 year's data from Feb 24, 2026 How it works

Liked most:

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"i want the best resolution camera back there, and the dual ones out there, including fitcamx, all have 1080p res. the viofo is 4k ... the last 5 cars have all had front and rear cameras, and at least 3 times we got punted in the rear, not once in the front. one time some dumbass ran in to us at the wendys drive thru. another was when we were stopped at a red lite."

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"I also run the hardwire kit and keep my car monitored when it's parked outside my workplace."

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"I also run the hardwire kit and keep my car monitored when it's parked outside my workplace."

Disliked most:

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"My Viofo A139 pro does not work on any of the cars USB-C connections tried many different cables none work ... my phone charged fine from all those USB-C connections with all the tried cables. ... When I measure the power when my phone is connected it can only pull 7 Watt."

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"I don't trust them anymore with their built in capacitors that died."

Reddit Iconfiveighteen518 0.4
r/MachEBest dash cam for a MachE
18 days ago

Could definitely be model specific. I have an A139 Pro 2-channel from 2023.

Reddit Iconquandjereveauxloups 0.4
r/HondaWhich front and rear dashcam to buy for my wife's civic 2025?
3 months ago

I have the Viofo A139 Pro Duo, and I really like it. Good pictures, smooth videos. I had a Rove R2-4k (front only) on my car that recently got totaled. It worked well through the wreck, kept the footage, etc. I had it for 5 years, no issues. There is a 2-channel option, also. If you haven't yet, I would really recommend going to r/Dashcam. They'll have different guides, and possibly more options. You can also look at dashcam video quality there and in some other subs (r/IdiotsInCars) is a fun one to see different camera quality. And please, for the love of all things shiny, get a 2-channel dash cam for your car, too. It's worth the cost.

Reddit IconRewelsworld 0.4
r/Dashcamfirst dash cam buy recommendation
12 months ago

Viofo a139 duo (it’s been replaced by the a139 duo pro )or red tiger f9 these both have no screens on them so they are tiny

r/DashcamAny recommendations on a dash cam that connects to phone..
10 months ago

I love my red tiger f9 small the app is so good & it’s under 130$ & it’s 4k Check it out on Amazon For my suv I ran a viofo a139 duo pro

r/DashcamHow many of you have a rear view camera?
9 months ago

I love my red tiger f9 4k the app is bomb 2nd option is viofo a139 duo ( app isn’t great but I have a usb c sdcard reader just incase ) These two cameras are tiny so they are hidden quite well You can get them from Amazon

Reddit IconSpicywolff 0.4
r/CorvetteDash Camera recommendations for C8
11 months ago

Viofo A329 front and rear facing. Combo with a sandisk max enduramce 256GB micro SD. Do not use a different microSD card. Dash cameras are very hard on the card and this one is meant specifically for this us usage and warranty for it. 369 on blackboxmycar I would suggest reformatting a.k.a. wiping the card every two months If you need a more value days cam. The A139 pro duo is 199 for front and rear facing. Front is 2k and rear 1080P. the sale price is viofo own website. I’d link them for you but subs frowns upon helpful links

r/MiataA $100 Dashcam in my miata paid off my house.
3 months ago

[viofo A229 pro](https://www.blackboxmycar.com/products/viofo-a229-pro-tele-3ch-4k-2k-telephoto-4x-optical-zoom-1080p-dash-cam) you get 4k 30FPS front, a 2k 30Fps tele long distance front camera, and a 1080P 30FPS rear. This allows you to get really good footage in the front and with a telly lens, it allows you to have more time where you can capture a quality image of the license plate, even as they speed away. And since generally, the rear cars are coming at you the lower 1080 P is fine because they’re coming closer and closer. On ale 309, which leaves you some money for a sandisk MAX endurance micro SD 256GB card. Only use this card normal SD cards are not meant for the rights and rewrite cycles of dash camera sees.. these have a lifetime warranty specifically for dash camera and security camera usage. If you have quality ceramic window tint, you don’t need a CPL filter. If you have no window tint or it’s cheaper stuff then this is basically a polarized lens, which makes the image way more clear in sunlight. You can plug it into your cigarette lighter, or you can hardwire it in and activate the parking mode. So if it gets hit while you’re away, the G force sensor will record what happens in a set interval before and after detection. This is my viofo A139 pro duo https://www.reddit.com/r/ConvenientCop/s/hWlSYNXQnb at night time. Where the HDR it has comes in clutch

Reddit IconWiseCookie69 0.4
r/FordBest Dash Cam (2022 Fiesta ST)?
2 months ago

Happy with Viofo for almost a decade now. Since the first A119, currently running the A139 Pro 4k 2Ch and just got another A119M Pro delivered as a small Christmas gift for a family member's first car.

Reddit Icon32guy 0.4
r/Subaru_OutbackDash cam set-up and models
6 months ago

I use the Viofo A139 2 channel for all of my cars and never had an issue with it besides the one time I bent the coaxial cable running to the rear camera disconnecting it. Tiny unit but captures very well.

Reddit Iconjmsld_ 0.4
r/drivingUKAny dashcam recommendations?
2 months ago

I second that. Viofo A139 duo. But there are better versions out now I think.

Reddit Iconactual_nonsense 0.3
r/ChallengerDash Cam Suggestions
4 months ago

I use Viofo (specifically the A139 Pro but there are other options) and it's great. I have mine plugged into an external battery pack because I don't want to hardwire it. There's actually tons of good options now, dashcam technology has come a long way in recent years and there are some great quality cameras. There's also r/Dashcam for sample videos.

Reddit IconBazzaFox 0.3
r/drivingUKDashcam recommendations
4 months ago

I’ve had the VIOFO 139 Pro front and rear for a couple of years now and it’s been flawless. Easy to connect to it with the phone app and view or download clips. Has parking mode if you hardwire it with movement sensor and G-sensor plus time lapse recording.

Reddit IconbLu_18 0.3
r/ToyotaLooking for the Best Front & Rear Dash Cam with Notifications, Hardwire Option, and Solid Features — Recommendations?
6 months ago

Most dashcam enthusiasts recommend Viofo and Thinkware with the STARVIS2 sensor for the dash cam of choice. You may have to look into BlackVue for push notifications, as they have some cloud services. I personally run a Viofo A139 Pro hardwired into a Powercell 8 external battery that is hardwired into driver side fusebox for parking mode. The setup is about $500-600.

r/ToyotaToyota Dash Cams Recommendations
6 months ago

Viofo or Thinkware, and any dashcam equipped with the Starvis2 sensor, are the go-to for dash cam enthusiasts when it comes to picture quality and license plate reading. The most optimal parking mode setup, but most pricey, is a 2/3ch dash cam hardwired into an external LiFePo4 battery that is then hardwired to driver/passenger fuse box. This setup will provide parking mode and reduce the wear and tear on your 12v battery. If parking mode isn't something you need, you can just to the 12v accessory socket for normal driving dash cam use. I used Viofo A139 Pro and have installed Viofo A229 Pro on family's car.

r/ToyotaHow much did you all spend on dashcam setup?
3 months ago

Viofo A139 Pro (~250) + Powercell 8 external battery (~350) For front/back 4k images + parking mode up to 8-10 hours without wear and tear on the 12v battery.

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