Viofo A229 Ultra 2CH Dash Cam Front Rear 2 Channel 4K
Couldn't Load Pickup availability
The Viofo A229 Ultra 2CH is a two-channel front and rear dash cam recording 4K 30fps from both cameras, using dual Sony STARVIS 2 IMX678 8MP sensors with HDR. It is part of the Viofo A229 Ultra range.
This listing is the 2-channel version. The A229 Ultra is also available as a 3-channel model with an infrared fisheye cabin camera. A front CPL-200 polarising filter is included; the CPL-600 rear filter is optional.
Key specifications
- Channels: 2 (front and rear)
- Resolution: 4K 30fps front + 4K 30fps rear
- Sensors: Sony STARVIS 2 IMX678 1/1.8" 8MP (front and rear)
- Lens: F1.8, 140° FOV (front and rear)
- HDR: front and rear
- Wi-Fi: 2.4GHz and 5GHz
- GPS logger: built-in, quad-mode (GPS, BEIDOU, GALILEO, GLONASS)
- Screen: 2.4"
- microSD: up to 512GB (optional)
A229 Ultra 2CH dash cam
2-Channel 4K Front and 4K Rear HDR Dash Cam
The A229 Ultra records high-resolution 4K footage from both front and rear cameras, capturing critical details such as number plates clearly in both directions.
Dual Sony STARVIS 2 Sensors
Two Sony STARVIS 2 sensors deliver a wider dynamic range, improved low-light performance, and reduced noise and motion blur across both channels.
2-Channel HDR - Sharper Footage, Even in Extreme Lighting
Sony STARVIS 2 combined with HDR balances extreme bright and dark conditions across both channels, keeping footage sharp and number plates readable even at high speeds.
5GHz Wi-Fi - Faster Transfers
Built-in dual-band Wi-Fi (2.4GHz and 5GHz) enables faster video previewing, downloading and sharing via the Viofo app.
USB 2.0 Port
A USB 2.0 data port allows direct connection to a smartphone for video and photo downloads at up to 20MB/s on iPhone 16, and makes firmware updates straightforward.
Smart Voice Control & Notification
Voice commands let you start recording, take photos, and toggle Wi-Fi without touching the camera. Supported languages are English, Chinese, Russian and Japanese. The camera also announces settings changes and memory card errors audibly.
Precise GPS
The built-in quad-mode GPS module supports GPS, BEIDOU, GALILEO and GLONASS for accurate positioning. Location, speed and time data are overlaid during video playback on the Viofo app or PC. For parking mode use, the Viofo HK4 hardwire cable is compatible with the A229 Ultra.
Explore the full range in Viofo A229 Ultra Series.
Specification
| Channels | 2-Channel (Front + Rear) |
|---|---|
| Sensor | Front: Sony STARVIS 2 IMX678 1/1.8" 8MP / Rear: Sony STARVIS 2 IMX678 1/1.8" 8MP |
| Video Resolution | 4K P30+4K P30 / 4K 21:9+4K 21:9 / 1080 P30+1080 P30 |
| HDR | Supports Front & Rear |
| Lens | Front: F1.8 Aperture, FOV=140° / Rear: F1.8 Aperture, FOV=140° |
| Wi-Fi | Built-in 2.4GHz & 5GHz |
| Parking Mode | Auto Event Detection / Time-lapse Recording / Low Bitrate Recording |
| G-sensor | Off / Low / Middle / High Sensitivity |
| Loop Recording | Off / 1 min / 2 min / 3 min / 5 min / 10 min |
| GPS | Logger Built-in |
| Voice Notification | Supported |
| Voice Control | Supported |
| CPL | Front - CPL-200 Included / Rear - CPL-600 (Optional) |
| Bluetooth | Built-in, Support BTR200 (Optional) |
| Hardwire Kit | HK4 / HK6 (Optional) |
| Micro SD Card | Up to external 512GB microSD Card (Optional) |
| Video Format | MP4 |
| Image Format | JPEG |
| LCD | 2.4" High-Resolution |
| Input Power | DC 5V / 2A |
| Operating Temperature | -20°C~65°C |
| Storage | Temperature -20°C~70°C |
| Front Camera | 2.3 x 3.9 x 1.8 inch |
| Rear Camera | 2.79 x 1.2 x 1.61 inch |
What's Included
- Front Camera
- Rear Camera
- GPS Mount
- 3.5m Car Charger
- 0.5m USB-A to USB-C Data Cable
- 6m Rear Camera Cable
- Front Camera CPL
- Trim Removal Tool
- Windshield Static Stickers x 3
- Spare Mount Sticky Pads x 2
- After-Sales Service Card
- Warning Sticker
- Quick Start Guide
- User Manual
Build your own bundle
Choose every part yourself — the more you add, the more you save.
Viofo
About the Viofo A229 Ultra 2CH
From our tech experts at CEN
The A229 Ultra is the flagship of the A229 family, built around VIOFO’s highest-specification sensors for the cleanest low-light image in the range. Front and rear channels, HDR throughout and supercapacitor power for UK temperature swings.
Who it suits
Drivers who want the best image the A229 platform can produce and do a lot of night or winter driving, where the difference between a readable plate and a guess is the sensor. If your budget is tighter, the A229 Pro covers the same ground at lower cost.
Our tech experts advise
Use a 256GB high-endurance microSD card to get the most from it. Add the HK4 hardwire kit for parking mode. We fit 2-channel systems from £100 at our Beeston workshop, cabling hidden and parking mode set before you collect. See dash cam installation.
Explore the full Viofo range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Viofo
Recommended For You
Discover more top-rated gear, handpicked to go with what you're viewing
Viofo News & Guides
The latest Viofo product news, launches and guides from the CEN team in Nottingham.
Viofo A229 Plus vs A229 Pro: Is 4K Worth It?
Same body, same mount, same hardwire kit. The only real difference is 2K versus 4K at the front, and it...
Viofo A229 Pro vs A329S: Which Should You Buy?
Both record 4K, both take a 2K rear camera, and the price gap is bigger than the spec gap. Here...
New VIOFO Line-Up at CEN: A149 Pro, T330, T340 and the BP60 Battery Pack
VIOFO's biggest launch in years has landed at CEN: the A149 Pro Duo brings 4K and Sony STARVIS 2 to...
More from Viofo
More options from the same range, in stock and ready to go
PopularViofo A229 Plus 2CH Dash Cam Front Rear 2 Channel 2K
RRP £249.95Save 8%£229.95
New ReleaseViofo T340TW 4CH Dash Cam Front, Cabin, Telephoto & Waterproof Rear
RRP £539.95Save 7%£499.95
New ReleaseViofo T340WW 4CH Dash Cam 4K Front, Cabin & Dual Waterproof Rear
RRP £539.95Save 7%£499.95
New ReleaseViofo T340W 3CH Dash Cam 4K Front, Cabin & Waterproof Rear
RRP £479.95Save 8%£439.95
New ReleaseViofo T330TW 3CH Dash Cam 4K Front, Telephoto & Waterproof Rear
RRP £439.95Save 9%£399.95
Frequently Asked Questions
Q: What SD card do I need for this dash cam?
A: Use a high-endurance microSD card designed for continuous recording. Standard cards wear out quickly in dash cams. CEN stocks suitable high-endurance cards, and the maximum supported capacity is listed in the Specification tab.
Q: Does this dash cam record while the car is parked?
A: Parking mode is listed in the Specification tab. Where supported, it requires constant power from either a hardwire kit or a dedicated dash cam battery pack, both of which CEN stocks.
Q: Do I need to hardwire the dash cam?
A: Not necessarily. All dash cams work from the 12V socket for drive recording. Hardwiring hides the cabling and enables parking mode, and CEN offers professional hardwire installation from our Nottingham premises.
Q: Will the footage be accepted by my insurer or the police?
A: Dash cam footage is widely used in insurance claims and can be submitted to most UK police forces through their online portals. Recording quality matters, so check the resolution in the Specification tab.
Q: Front only or front and rear - which should I choose?
A: A front camera covers the most common claim scenarios. A two-channel system adds rear coverage for rear-end collisions and tailgating evidence, which is where many disputed claims arise. Three-channel systems add an interior view, suited to taxi and fleet use.
Q: Does the A229 Ultra 2CH record 4K on the rear camera?
A: Yes. Both front and rear cameras use a Sony STARVIS 2 IMX678 1/1.8" 8MP sensor and record 4K at 30fps, with HDR on both channels.
Q: Can I add a cabin camera to the A229 Ultra 2CH?
A: The A229 Ultra is also available as a 3-channel kit with an infrared fisheye cabin camera. See the A229 Ultra 3CH listing.
Q: Does the A229 Ultra 2CH have GPS?
A: Yes. It has a quad-mode GPS module supporting GPS, BeiDou, Galileo and GLONASS, which records location, speed and time for playback in the VIOFO App or on a computer.
