VIOFO
VIOFO A229 Ultra 2CH
9.1Dashlore Score
Ranked #8 of 43 dash cams we track.
A dual-channel dash cam that records 4K on both the front and rear cameras, each with a STARVIS 2 IMX678 sensor and HDR. It suits drivers who want the same resolution behind them as ahead.
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Strengths
- 4K 30fps on both front and rear cameras
- Sony STARVIS 2 IMX678 8MP sensor in each camera, with front and rear HDR
- Dual-band Wi-Fi, built-in GPS logger and voice control
Watch out for
- VIOFO states a hardwire kit (HK4 or HK6, not included) is required for parking mode
- Rear field of view is 140°, narrower than the 160° rear lens on the A229 Pro
Score breakdown
How the VIOFO A229 Ultra 2CH scores: 9.1/10Methodology
- Front resolution19% weight2,160 px
- STARVIS 2 sensor13% weightYes
- HDR6% weightYes
- Coverage (channels)13% weight2
- Rear resolution6% weight2,160 px
- Buffered parking mode13% weightYes
- Heat tolerance (power cell)13% weightsupercapacitor
- GPS6% weightbuilt-in
- Wi-Fi transfer6% weight5GHz
- Max storage3% weight512 GB
- LTE / cloud3% weightNo
Full specifications
| Brand | VIOFO |
|---|---|
| Model | A229 Ultra 2CH |
| Channels | 2 |
| Front resolution | 3840x2160 |
| Front resolution (vertical px) | 2,160 |
| Front frame rate (fps) | 30 |
| Rear resolution (vertical px) | 2,160 |
| Front sensor | Sony STARVIS 2 IMX678 |
| STARVIS 2 sensor | Yes |
| Front field of view (°) | 140 |
| HDR | Yes |
| GPS | built-in |
| Wifi | 5GHz |
| LTE | No |
| Parking: buffered motion | Yes |
| Parking: time lapse | Yes |
| Parking: low bitrate | Yes |
| Parking: needs hardwire | Yes |
| Power | supercapacitor |
| Max microSD card (GB) | 512 |
| Screen size (in) | 2.4 |
| Voice control | Yes |
| Max operating temp (°C) | 65 |
Specs last checked 2026-10-21.
How it compares
| Spec | VIOFO A229 Ultra 2CH | BlackVue Elite 10-2CH | Vantrue Nexus 4 Pro (N4 Pro) |
|---|---|---|---|
| Score | 9.1 | 9.1 | 8.9 |
| Front resolution | 2,160 px | 2,160 px | 2,160 px |
| STARVIS 2 sensor | Yes | Yes | Yes |
| HDR | Yes | Yes | Yes |
| Coverage (channels) | 2 | 2 | 3 |
| Rear resolution | 2,160 px | 2,160 px | 1,080 px |
| Buffered parking mode | Yes | Yes | Yes |
| Heat tolerance (power cell) | supercapacitor | supercapacitor | supercapacitor |
| GPS | built-in | built-in | mount |
| Wi-Fi transfer | 5GHz | 5GHz | 5GHz |
| Max storage | 512 GB | 1,024 GB | — |
| LTE / cloud | No | No | No |