Viofo A329S 4K 3 Channel Dash Cam with 2K Interior & Rear, Sony STARVIS 2 Sensors, HDR Night Vision, Wi‑Fi 6
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VIOFO A329S 3CH Dash Cam
The VIOFO A329S 3CH Dash Cam is an advanced three-channel vehicle recording system that simultaneously captures true 4K front, 2K cabin, and 2K rear video. Powered by a Quad Core ARM Cortex A53 chipset and Sony STARVIS 2 sensors, it delivers exceptional clarity and detail day and night. This system is designed for drivers who require comprehensive surveillance and precise incident capture, from daily commutes to rideshare operations.
True 4K Front Recording: Captures License Plates with 8MP Sony STARVIS 2 Clarity
The VIOFO A329S dash cam features a front camera with true 4K (3840x2160) resolution at 30fps. It uses a Sony STARVIS 2 IMX678 1/1.8" 8MP image sensor, which increases pixel count for superior detail and clarity. This advanced sensor technology effectively reduces noise in low-light conditions and minimizes motion blur during fast vehicle movement, ensuring critical information like license plates is perfectly captured. This makes it ideal for documenting high-speed incidents or crucial road details.

2K Ultra-Wide Cabin Camera: 210° Fisheye View with Infrared Vision
The A329S includes a dedicated 2K (2560x1440) cabin camera that records with a 210° ultra-wide-angle fisheye lens. This camera uses a Sony STARVIS 2 IMX675 1/2.8" 5MP sensor, providing 2.5 times wider dynamic range than standard STARVIS pixels. Four infrared LED lights enhance visibility in dark environments, preserving interior details even at night. This comprehensive view covers the entire car cabin and sides, making it perfect for rideshare drivers and family vehicles.
Detailed 2K Rear Recording: Protecting Your Vehicle's Rear View
A dedicated rear camera on the A329S system records in impressive 2K (2560x1440) resolution at 30fps. This camera also incorporates a Sony STARVIS 2 IMX675 1/2.8" 5MP image sensor, ensuring high-quality footage. It excels at capturing detailed video even with significant highlight-shadow changes, providing reliable evidence of rear-end incidents. Drivers can depend on this rear camera to clearly document events occurring behind their vehicle.

3-Channel HDR Support: Clear License Plates Day and Night
The VIOFO A329S utilizes 3-Channel HDR (High Dynamic Range) technology across all three cameras, with 4K HDR for the front and 2K HDR for the cabin and rear. This feature intelligently balances extremely bright and dark areas within the frame, ensuring consistent exposure. The result is exceptionally clear video that accurately captures license plates and other crucial details, even in challenging lighting or fast-moving scenarios. This is critical for reliable evidence collection in diverse driving conditions.
Ultra-Fast Wi-Fi 6 Connectivity: 3x Faster Video Downloads
The VIOFO A329S dash cam incorporates advanced Wi-Fi 6 technology, boosting operation speeds by three times in the 5GHz band to up to 30MB/s. This significantly enhances video previewing, downloading, and sharing directly from the camera to a smartphone. A one-minute 4K video can be downloaded in under 10 seconds, providing rapid access to footage during emergencies. Drivers benefit from quick access to recorded files without removing the memory card.
High-Speed USB 3.0 Port: Rapid Video Transfer to Smartphones
This dash cam features an upgraded USB 3.0 port, enabling ultra-fast video and photo downloads directly to a smartphone via a USB 3.0 data cable. It supports download speeds up to 55MB/s on compatible devices like the iPhone 15 Pro Max. This direct connection also facilitates effortless firmware updates, ensuring the device remains current with the latest features. Please note a USB 3.0 cable is not included, and device compatibility is required.

Massive 4TB External SSD Support: Weeks of Continuous Recording
The A329S dash cam supports external SSD storage devices up to 4TB, significantly extending its recording capacity to over three weeks of continuous footage. This feature eliminates concerns about running out of storage during long-distance driving tours or extended parking. Using an external SSD also reduces the frequency of overwriting older files on the primary SD card. For optimal performance, a VIOFO Type-C SSD cable is recommended and the dash cam requires a hardwire kit for power when an SSD is connected.

Smart Voice Control & Notifications: Hands-Free Operation
The dash cam offers smart voice control, allowing drivers to remain focused on the road. Users can issue simple spoken commands in multiple languages to initiate recording, capture photos, or toggle Wi-Fi functionality. Additionally, the camera provides clear voice notifications for critical events such as settings changes or memory card errors. This hands-free interface enhances convenience and safety for all drivers.

Accurate GPS Tracking: Multi-System Location and Speed Data
An integrated GPS module in the VIOFO A329S dash cam supports four global navigation satellite systems: GPS, BeiDou, Galileo, and GLONASS. This provides highly accurate location, speed, and time data for the vehicle during video playback. Drivers can review this detailed telemetry using the VIOFO App or VIOFO PC player after downloading the video footage. This feature adds a crucial layer of safety and verifiable data for accident reconstruction or route logging.
Multiplex Video Recording: Customizable Multi-Angle Footage
The A329S dash cam supports multiplex video recording, allowing users to record footage with any desired combination of camera views. Whether a single perspective or a multi-angle overview is needed, the system offers full control over video presentation. This feature eliminates the need for post-editing to combine different camera angles, providing instant sharing capabilities. It is ideal for drivers who require flexible recording options for various scenarios.

Advanced Vehicle Battery Protection: Prevents Drain in Parking Mode
The dash cam incorporates sophisticated vehicle battery protection mechanisms to prevent power drain during parking surveillance. It offers two methods: either stopping parking recording based on a preset duration or a specific voltage cutoff. Additionally, the optional hardwire kit automatically cuts off the power supply when it detects a low voltage. These features ensure your vehicle's battery remains protected while the dash cam monitors its surroundings.

Smart Geo-Fencing Control: Automated Power Saving in Safe Zones
With Geo-Fencing control, the A329S allows users to designate specific areas where the dash cam will completely shut down instead of entering parking mode. When the vehicle stops and powers off within a pre-selected safe zone, the camera automatically ceases operation. This feature prevents unnecessary battery drain, especially when parked securely in locations like a home garage. It offers a convenient, hands-off approach to power management.

Hybrid Parking Recording: Comprehensive Multi-Mode Surveillance
The VIOFO A329S offers a Hybrid Parking Recording mode, combining multiple surveillance methods for comprehensive coverage. It integrates time-lapse (1fps), low bitrate, and auto event detection, seamlessly switching to impact detection. The mode initiates with time-lapse, low bitrate, or event detection and transitions to impact recording based on a user-defined cut-off time or voltage. This adaptable system ensures full event capture, though cut-off voltage functionality requires the HK6 hardwire kit.

Loop Recording & Auto Emergency Lock: Continuous Protected Footage
The A329S supports seamless loop recording, automatically overwriting the oldest video files with new ones once the memory card is full. This ensures continuous, uninterrupted recording without manual intervention. Additionally, a built-in G-sensor automatically detects collisions or sudden impacts, locking the current footage to prevent it from being overwritten. This crucial feature preserves accident scenes for investigation, providing instant protection for vital evidence.

Circular Polarizing Lens (CPL) Filter Support: Reduces Glare and Reflections
The VIOFO A329S supports the use of Circular Polarizing Lens (CPL) filters for both the front and rear cameras, with a front CPL included. A CPL filter effectively reduces reflections and glare that bounce off glass surfaces, such as the windshield, and road surfaces. This enhancement significantly improves image clarity and contrast in recordings. Drivers gain clearer footage, free from distracting glares, ensuring better visibility of details.
Super Night Vision: Enhanced Clarity in Low-Light Time-Lapse Recording
The A329S dash cam features advanced Super Night Vision, specifically enhancing clarity in low-light conditions during time-lapse recording. This technology processes visual data to produce brighter and more detailed scenes than standard night vision. It ensures that critical elements, often obscured by darkness, are discernible in recorded footage. This is particularly beneficial for parking surveillance and capturing events in poorly lit environments.
Time Lapse Recording: Efficient Parking Surveillance
The A329S includes a Time Lapse Recording mode for efficient parking surveillance. This mode captures video without audio at selectable frame rates of 1, 2, 3, 5, or 10 frames per second. Recording at lower frame rates significantly conserves storage space on the microSD card and reduces power consumption. It provides a condensed overview of extended parking periods, making it easy to review hours of footage quickly for any incidents.

Low Bitrate Recording: Maximize Storage with Continuous Audio
The VIOFO A329S offers a Low Bitrate Recording mode, allowing the camera to record continuously in smaller file sizes while still including audio. This feature is designed to maximize storage capacity on the microSD card, enabling longer recording durations before footage is overwritten. By optimizing file size, drivers can store more evidence and general driving footage. It is an effective way to maintain extensive recording history.

Auto Event Detection: Buffered Recording for Critical Moments
This dash cam's Auto Event Detection feature utilizes a buffered function to capture critical incidents comprehensively. Once moving objects or events are detected, the camera automatically initiates recording and saves footage that includes the 15 seconds prior to the event and 30 seconds after. This ensures that the entire context of an incident, from its onset to its conclusion, is recorded. It provides a complete evidentiary package for investigations.

Frequently Asked Questions
What memory cards and external storage devices does the VIOFO A329S support?
The VIOFO A329S requires a high-endurance microSD card, optimized for dash cam recording, to withstand heavy writing cycles. It also supports external portable SSDs up to 4TB, significantly extending recording capacity for longer trips and less overwriting. When using an external SSD, the dash cam must be powered via a hardwire kit.
Does the VIOFO A329S dash cam record while the car is parked?
Yes, the VIOFO A329S offers several parking surveillance modes including Low Power Impact Detection, Time Lapse Recording, Low Bitrate Recording, Auto Event Detection, and Hybrid Parking Recording. These modes are designed to efficiently monitor your vehicle and prevent battery drain while parked. Specific cut-off voltage functionality for parking modes requires the HK6 hardwire kit.
What is included in the VIOFO A329S 3CH Dash Cam package?
The package includes the Front Camera with GPS Mount, Rear Camera, Fisheye Cabin Camera, a 45W Dual Type-C Car Charger, Rear Camera Cable, Fisheye Cabin Camera Cable, Type-C Data Cable, Front Camera CPL filter, spare mount sticky pads, windshield static stickers, a trim removal tool, a warning sticker, after-sales service card, and user manuals. A USB 3.0 data cable and external SSD are not included.
Can I view GPS location and speed data from my VIOFO A329S recordings?
Yes, the VIOFO A329S has a built-in GPS module that records detailed location, speed, and time data from four global navigation satellite systems. This information can be viewed during video playback on the VIOFO App or VIOFO PC player. To access the GPS map, the video must first be downloaded to your device.
How do the rear and cabin cameras connect to the main VIOFO A329S unit?
The rear and cabin cameras connect to the main front unit using dual ultra-slim coaxial cables and miniature connectors. These cables are designed for neat, hidden installation and are less susceptible to electromagnetic and radio-frequency interference from other in-car electronics. They also enable high bandwidth transmission for stable video transfer.
VIOFO A329S 3CH Dash Cam Specifications
| Front Camera Resolution & Frame Rate | 4K (3840x2160) @ 30fps |
| Cabin Camera Resolution & Frame Rate | 2K (2560x1440) @ 30fps |
| Rear Camera Resolution & Frame Rate | 2K (2560x1440) @ 30fps |
| Front Sensor | Sony STARVIS 2 IMX678 1/1.8" 8MP |
| Rear Sensor | Sony STARVIS 2 IMX675 1/1.8" 5MP |
| Cabin Sensor | Sony STARVIS 2 IMX675 1/1.8" 5MP |
| Front Lens Aperture | F1.8 |
| Rear Lens Aperture | F1.8 |
| Cabin Lens Aperture | F2.2 |
| Front Field of View (FOV) | 140° |
| Rear Field of View (FOV) | 160° |
| Cabin Field of View (FOV) | 210° |
| Wi-Fi | Ultra-Fast Dual-Band Wi-Fi 6 (2.4GHz & 5GHz) |
| Max External Storage | 4TB SSD |
| GPS | Built-in, supports GPS, BeiDou, Galileo, GLONASS |
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