Viofo

Viofo A229 Plus 2CH

Name: Viofo A229 Plus 2CH
Brand: Viofo
Price: 230 USD
Availability: InStock

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60fps frontSupercapacitor2K+ rearVoice control5 GHz Wi-Fi

The A229 Plus is the model most two-channel shopping ends at, because it is the cheapest way to get a real STARVIS 2 sensor on both ends of the car. Both cameras are 5MP Sony STARVIS 2 IMX675 modules recording 2560x1440; the front runs at up to 60fps on a 140-degree f/1.8 lens, the rear at 30fps on a wider 160-degree f/1.9. HDR runs on both channels rather than front-only, which is the difference you notice coming out of a parking garage into daylight. Matching sensors front and rear also means the rear footage is genuinely readable rather than merely present - most dual kits at this price pair a good front camera with a 1080p afterthought. The unit is expandable: a third infrared cabin module or a telephoto module can be added later on the same body. Power is a supercapacitor rated -4 to 149 degrees Fahrenheit, connectivity is 5GHz Wi-Fi with Bluetooth and voice control, and parking modes need the Type-C HK4 hardwire kit.

Approx. price: ~$230
Hot car: Supercapacitor; Supercapacitor, rated to 149°F
Parking tier: Buffered; Hardwire kit optional

Best for

The default two-channel install when you want the rear footage to be evidence, not just context.

The description and the pros and cons above are written from published specifications, not from owner reports. Owner sentiment, where we have it, is in its own section below.

What the numbers mean here

The front camera records 2,560 horizontal pixels across a published 140-degree field of view, which is 18.3 pixels per degree — plate-legible close in. The rear channel manages 16, so it is the less detailed of the two. How this is calculated, and what it does not tell you.

It runs on a supercapacitor rather than a lithium cell, so there is no battery to swell in a car parked in summer sun — the classic way a windshield-mounted camera dies. The maker publishes an operating range of -4°F to 149°F. Supercapacitors and heat.

Keeps a rolling buffer, so the seconds before an impact are saved as well as the impact itself. It is the most useful parking mode and the hungriest. The hardwire kit is a separate purchase, which is the line item people forget when budgeting. What each parking mode records.

Specifications

Manufacturer-published figures, recorded from Viofo’s own product page and a specialist retailer’s spec table. Fields the maker does not publish are omitted rather than guessed.

Type: Dual-channel
Channels: 2
Front resolution: 1440p
Front frame rate: 60fps
Front sensor: Sony STARVIS 2 IMX675
Front field of view: 140° (as published)
Front aperture: f/1.8
Rear resolution: 1440p
Rear sensor: Sony STARVIS 2 IMX675
Rear field of view: 160°
HDR: HDR
Power cell: Supercapacitor
Operating temperature: -4°F to 149°F
Parking modes: buffered, time-lapse, low-bitrate, motion
Hardwire kit: optional
GPS: built-in
Wi-Fi: 5 GHz
LTE / cloud: None
Max storage: 512GB microSD
CPL filter: optional
Screen: 2.4-inch
Voice control: Yes
Form factor: wedge
Mount: adhesive
Release year: 2023

Features

Matched Sony STARVIS 2 IMX675 sensors front and rear, both 1440p
Front 1440p at up to 60fps, rear 1440p at 30fps
HDR on both channels
Expandable to three channels with an IR cabin or telephoto module
5GHz Wi-Fi, built-in GPS, Bluetooth, voice control
Supercapacitor, -4 to 149 degrees Fahrenheit
2.4-inch screen, microSD to 512GB

Where it is strong

A 1440p STARVIS 2 rear camera instead of the 1080p afterthought most dual kits ship - rear plates are actually readable
HDR on both channels, so a car behind you under a streetlight is not a white blob
60fps on the front channel at 1440p
Can be expanded to a third channel later without replacing the front unit
Supercapacitor and a 149F ceiling on a camera that costs less than most 4K rivals

Where it gives way

The 160-degree rear lens spreads 2560 pixels thinner than the front camera does - about 16 px per degree against 18
f/1.8 front aperture rather than the f/1.6 on Viofo's older 1440p cameras
Parking modes are locked behind the separately sold HK4 hardwire kit
The 2.4-inch screen is bright enough at night to be worth turning off in the menu

What owners say

Summarised from public owner discussion. Nothing here is our own testing.

When owners answer "what two-channel camera should I buy", this is usually the answer, and the reasoning is consistent: current Sony sensors at both ends, a supercapacitor, and Viofo's habit of actually shipping firmware fixes. Owners coming from a 1080p rear camera describe the 1440p rear as the change they notice day to day.

Faults do get reported, and they are real but mostly small. A double-beep state that stops recording shows up here as it does across the Viofo line, and it usually resolves with a properly formatted high-endurance card. The HK4 hardwire kit's chunky ferrite core is a running complaint from people trying to route it behind trim. And one owner's experience is worth carrying forward as a reality check: with every setting maxed, plates on moving cars were still not readable. That is 1440p spread over 140 degrees doing what physics says it will do, not a defect.

New buyers repeatedly ask whether the hardwire kit is mandatory. It is not. Plugged into a 12V socket the camera records while the engine runs; the kit only exists to unlock parking mode.

What owners like

The most commonly recommended two-channel camera among owners, and the recommendation is usually phrased as the default rather than the best
Owners moving from a 1080p rear camera single out the 1440p rear as the upgrade they actually notice
Viofo's firmware cadence gets credit - owners assume reported quirks will be fixed, and often they are
Owners in hot states pick it over battery-powered rivals specifically for the supercapacitor
The HK4 hardwire kit is shared across the current Viofo range, so upgrading later does not mean rewiring

Common complaints

The double-beep-and-stop-recording fault turns up here too, surviving card reformats and app-side formatting for some owners
The HK4 kit has a large ferrite core on the USB-C end that owners find genuinely hard to route through a tight A-pillar
At least one owner set everything to maximum bitrate and still could not read plates on moving cars, describing the image as pixelated - a reminder that 1440p across a 140-degree lens has limits
Loop length options stop at ten minutes, which owners wanting longer single files find restrictive
New owners are repeatedly confused about whether the hardwire kit is required; it is not, unless you want parking mode

What owners of the Viofo A229 Plus 2CH ask

Do I need the HK4 hardwire kit?

Only for parking mode. On the supplied 12V cable the camera powers up with the ignition and records the whole drive, which is all many owners want. The HK4 wires it to the fuse box so it can keep watching a parked car, with a low-voltage cutoff to protect the car battery.

Can it read license plates on moving cars?

At distance, often not. The front camera is 1440p across a 140-degree lens, which works out to roughly 18 pixels per degree - enough for a plate a car or two ahead in good light, and not enough for one several lanes over or at speed. Owners who need that consistently step up to the 4K A229 Pro.

Why does it double-beep and stop recording?

It is almost always the memory card. Format a high-endurance card in the camera rather than on a computer, and avoid standard consumer cards - they are not built for continuous rewriting and fail in exactly this way. If a fresh card and a factory reset do not fix it, it is a warranty case.

Is the ferrite core on the hardwire cable a problem?

It is a routing nuisance rather than a fault. The lump on the USB-C end is too big for some A-pillar channels, and owners either route it a longer way round or tuck it into the headliner. Third-party kits without the core exist, but the ferrite is there for interference suppression.

How does it compare to the A229 Pro?

Same body, same rear camera, same install. The Pro swaps the 1440p front sensor for a 4K one, which takes front pixel density from about 18 to about 27 per degree. If reading plates at distance matters, that is the whole reason to pay more; if it does not, the Plus is the same camera for less.