VIOFO - A139 Pro 2CH
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Reddit Reviews:
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Last updated: Aug 28, 2025 Scoring
Liked most:
13
1
"the dashcam I've had for 6 years...only changed the SD card."
"My viofo dual front and rear cam has withstood years. ... Just got a new cable and works perfectly. ... I vote viofo if you want a quality cam."
"I’m still using the A139 pro duo. Since mine just keeps on going and hasn’t died, there’s no reason for me to swap it out. ... I’m stuck on the 139 pro duo. One of these days I may upgrade. But for now they are working so I don’t want to land fill them ... I highly recommend the a139 as it’s been reliable for me."
18
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 better ones use Sony. ... Specifically the Song Starvis. ... The Starvis 2 just recently came out and viofo made a new one with the 2."
19
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 starvis 2 sensor this has is great. I have both the older and newer viofo units, and the starvis 2 definitely makes a difference compared to the previous gen."
14
1
"For what it ’s worth i have ZERO car experience and I got the viofo front and rear cam and used the donggar adapter to power it off the rain sensor behind the rear view mirror. ... I watched maybe 2 tutorials, went slow, and was able to get everything in place in well under an hour with no issues. ... Highly recommend, super easy to do."
"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."
9
0
"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 recently purchased the viofo a139 cause I wanted front and rear. ... Very happy with it."
"so you can capture the license plate numbers."
Disliked most:
2
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."
3
4
"It's now an expensive paper weight."
"Just pricey"
"it's a bit pricey though"
9
4
"I don't trust them anymore with their built in capacitors that died."
"The rear camera died at 13 months which stopped the front from recording. ... They wanted me to pay $40 for a replacement rear cam though it was still in warranty."
"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."
0
1
"Also the camera slides onto the GPS module which is then 3M to the glass. On certain high g turns it will slide the dash cam out."
"My gripe with the A139 Pro is where the buttons are located. Pushing in them induces a prying motion on the 3M tape and causes it to peel."
2
1
"The biggest hurdle was getting the wired connection from the front camera to the rear one"
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