VIOFO - A139 Pro 3CH
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Reddit Reviews:
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Last updated: Aug 8, 2025 Scoring
Liked most:
12
1
"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."
"I’ve got the starvis2 equipped Viofo A139 pro. It’s awesome"
"The quality of the video is top notch with the Starvis 2 sensor even at night."
4
0
"Have it hardwired for parking mode, and it's given me no operational issues whatsoever."
"Using a fuse tap kit I hardwired it to a fuse that's only hot when the truck is on, but it has a separate connection that's always hot and provides constant power. So when it senses that the truck is on it records consistently. When it senses that the truck is off it goes into a monitoring mode that will only record when there's motion detected or the gyro is triggered. ... It has a battery monitor that senses the battery's voltage and will disable monitoring mode if the battery voltage gets too low. ... Works perfectly."
"Love my a139 pro with the hardwire parking mode kit"
8
0
"place the camera behind the mirror so I can’t see the main body of the camera. ... i almost forget it’s there."
"If you install it right then you can barely see the power wire from the drivers seat. ... the wire is routed under the cover for the rear view mirror mount and under the headliner to the pillar and down to the fuse panel in the drivers foot board. ... With the hardwire kit you just insert two fuses and that’s it."
"that great "low profile" wedge shape for which Viofo is known."
10
1
"Was in an accident a couple months ago and had the video footage on my phone before the cops even showed up. ... Saved my ass with the insurance. ... has Wifi to beam video to your phone via their app if you want."
"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."
"The quality of the video is top notch with the Starvis 2 sensor even at night."
10
3
"Have it hardwired for parking mode, and it's given me no operational issues whatsoever."
"Using a fuse tap kit I hardwired it to a fuse that's only hot when the truck is on, but it has a separate connection that's always hot and provides constant power. So when it senses that the truck is on it records consistently. When it senses that the truck is off it goes into a monitoring mode that will only record when there's motion detected or the gyro is triggered. ... It has a battery monitor that senses the battery's voltage and will disable monitoring mode if the battery voltage gets too low. ... Works perfectly."
"Pro runs it with 24/7 even if truck is off"
Disliked most:
0
2
"It’s also a PITA for me to use WiFi because when I’m in the car my phone connects to CarPlay and CarPlay disables WiFi."
"Slow and the app _blows_."
"it’s just clumsy to get connected."
0
1
"It also has an IR cut filter (or something similar) so every time a set of bright lights hits it at night, you hear the audible *click* of the IR turning on/off which is annoying."
"Lastly, while the IR coverage is fine, the scope is narrowed so that anything out of the cone/"periscope" of light coverage isn't lit nearly as well. My previous camera (Coxpal), while it had its own issues, did all these things better with its interior camera."
"The quality, even for 1080p, looks subpar to other interior camera combos I've had, and the exposure is just "weird" in that it doesn't exactly flatter anyone sitting in the car."
0
2
"I don't trust them anymore with their built in capacitors that died."
"It's now an expensive paper weight."
0
1
"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."
1
3
"It's now an expensive paper weight."
"it's a bit pricey though"
"but they are expensive."
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