Viofo A139 2CH/3CH GPS
The A139 is the newest high-end model from Viofo, one of the most renowned manufacturers on the dash cam market. Blending the upgraded hardware with the most advanced features of the previous successful models (such as the A119 V3 and the A129 Duo), trading the screen for a sleek design and offering an optional interior-recording camera make the A139 a solid candidate for the best 2021 model!
Compared to the predecessors, this model introduces the spoken voice notifications allowing for a screenless design and a larger-sized set of hardware buttons, more distinct and firm compared to the previous models. The smartphone app (single app for iPhone and Android for all Viofo products) has been tremendously improved since it was introduced back in 2019 and, in conjunction with the A139's dual-band 5 GHz Wi-Fi, offers a seamless smartphone experience. In addition to the reduces size of the rear and interior cameras, Viofo have also re-designed the cabling for this model, switching to the USB Type-C power standard as well as coaxial video cables making the installation process easier than ever! The included CPL Filter and the 3M tape mounting bracket with a built-in GPS receiver are also worth mentioning.
With the A139, you can opt for a 2CH (dual-channel) and 3CH (triple-channel) setup for your vehicle. What this means is, apart from the front and rear units (dual-channel setup), you may add an interior camera allowing for ultimate coverage, additionally recording what's happening inside the cabin and on the sides of your vehicle. This camera features 6 infra-red LED lights for high night-time performance. While such a comprehensive triple-camera setup appeals the most for the Uber and Taxi drivers, more and more "regular" drivers take advantage of extra cameras allowing them to gain evidence against false accusations (which, unfortunately, take place from time to time) e.g. of using their phones while driving and not paying attention to the road.
Would you like your dash cam to operate not only while you're driving but when you're away too? The A139 has got this sorted too with Parking Recording by Motion Detection! Matching the camera with either the Viofo Hardwire Cable (requires hardwiring installation) or a Back-Up Battery will allow the cam tam to trigger recording on motion detection as well as on impact detection so that protection will be readily available for the vehicle while the owner is away.
- Sony STARVIS™ Image Sensors on all cameras allow for a crystal-clear video recording both day and night.
- Built-in Wi-Fi allows you to view live video, change settings, playback and download videos to your mobile device (within a 15-metre range around the car).
- The built-into-mount GPS receiver logs your vehicle’s location, speed and current time so you can later visualize its position on the map.
- Protect yourself from hit-and-run accidents while your car is parked with motion-activated Parking Mode (requires a Power Management Device).
- Compact size and screenless design make this system one of the most discreet.
- Voice notifications let you stay alert about the status of the camera recording.
- A139 dual-camera setup can be expanded with the interior unit at any time further down the track by purchasing the interior camera package.
- Up to 256GB memory card support.
- 1-year manufacturer warranty.
Specs and Manual
|Model||Viofo A139 2CH/3CH GPS|
|Image Sensor||Sony STARVIS™ IMX335 (front)
Sony STARVIS™ IMX291 (rear, interior)
|Viewing Angle||Diagonal 140° (front)
Diagonal 170° (rear, interior)
|Resolution and Frame Rate (Triple-Channel)||QuadHD 1440P (2560*1440) @ 30fps (front)
FullHD (1920x1080) @ 30fps (rear, interior)
|Resolution and Frame Rate (Dual-Channel)||QuadHD 1440P (2560*1440) @ 60fps (front)
FullHD (1920x1080) @ 30fps (rear)
|Dimensions||Front: Length 60 mm / Width 112 mm / Height 40 mm
Rear: Length 28 mm / Width 53 mm / Height 34 mm
|Microphone & Speaker||Built-in speaker and microphone, 3.5mm external mic socket|
|GPS Receiver||Built into front mounting bracket (included)|
|Backup Power||Built-in supercapacitor|
|Wi-Fi||Built-in (802.11n 2.4 GHz / 802.11 ac 5GHz Dual)|
|Smartphone Apps||Viofo App for iPhone, Viofo App for Android|
|G-Sensor||3-Axis Acceleration Sensor|
|Remote Control||Viofo Bluetooth Remote (optional)|
|Operation Temperature||-10 °C to 65 °C (14 °F to 149 °F)|
|Storage Temperature||-20 °C to 70 °C (-4 °F to 158 °F)|
|Input Power||DC 5V/3.1A via USB Type-C|
|Memory Card Support||MicroSD Class 10 U-1 or faster, up to 256GB.|
|Parking Recording Modes||Auto Event Detection (motion and impact detection),
Timelapse Recording, Low Bitrate Recording
|Clip Length Modes||1 min / 3 mins / 5 mins / 10 mins|
|Warranty||12-months Manufacturer Warranty|
The manual can be found on the Viofo A139 2CH/3CH Manual Page.
Viofo A139 daytime sample footage (please don't forget to set the YouTube video quality to the highest)
Recording in bad weather is a challenge for any dash cam. Please see a raining day sample footage below (please don't forget to set the YouTube video quality to the highest)
Please find some customer reviews of the Viofo A139 2CH/3CH below.
Viofo A139 review from Jeremy Wong @ JWTechReviews
Viofo A139 review from BlackBoxMyCar
Viofo A139 review from Lynn Lopez @ The Gadgeteer
Viofo A139 review from Ivin George @ MashTips
Viofo A139 review from Jonathan Wilson @ E&T Magazine
Viofo A139 review from TheBravo @ RD Forum
We have also collected some video reviews of the Viofo A139 3CH below.
The installation process for the Viofo A139 is similar (with slight variations) to the other dual-channel cameras such as BlackVue. The videos in this playlist may give you some ideas about the installation.
Taxes and Shipping
Free Tracked Courier Shipping within New Zealand from drivercam.co.nz for all the orders above $150! Most of our customers receive their orders on the following business day if paid by 3pm.
DriverCam Limited is registered for GST and supply every order with a Tax Invoice.
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