A329S - Q&A

Chuck McCoy

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Dash Cam
2026 Minimum Spec: STARVIS 2 & HDR & Low Power Parking Mode
1.) Official release date Viofo.com? May 19, 2025
2.) Official release date Amazon US? July 1, 2025 (tentative)
3.) First official firmware on Viofo.com? (May 30, 2025)
A329S: FWA329S.bin V1.0_250527 87.7 MB
A329T: FWA329T.bin V1.0_250527 87.3 MB
A329WW: FWA329WW.bin V1.0_250527 87.5 MB
Check for official firmware updates here; OFFICIAL FIRMWARE UPDATES

4.) Does the A329S 3CH use the same Novatek 98530 processor as A329 2CH?
A: Yes

5.) When upgrading to A329S, is the GPS Mount from A329 identical / compatible?
A: Yes

5a.) When upgrading to A329S, is the GPS Mount from A229 Pro & Plus identical / compatible?
A: No, A229 Pro & Plus GPS Mount will power the A329S, however GPS is not fully compatible.

6.) Does the A329S FRONT & REAR cameras have IDENTICAL image quality as A329 FRONT & REAR cameras, or has it been upgraded / improved?

7.) Are all four A329S remote cameras compatible with A329?
a.) (YES) RC420 Rear
b.) (???) RTC420 Telephoto
c.) (???) RCC360 IR Interior Fisheye
d.) (YES) RWC400 Waterproof Rear

8.) What image sensor is used in the (4) remote cameras?
All (4) remote cameras support IMX675 image sensor, (Rear, IR Interior Fisheye, Waterproof Rear, Telephoto).

9.) Do any remote cameras have their own processor, (similar to rear & telephoto for A229 Pro & Plus)? NO
9a.) Why is this important?
Remote cameras with their own processor like A229 Pro & Plus “rear” require a separate firmware file than the front camera.
This complicates the firmware update process because both front & rear cameras must be updated.

10.) Is all processing performed by the front camera / main unit? YES
11.) What is maximum Bitrate 1-CH configuration 4K60fps?
12.) What is maximum Bitrate 1-CH configuration 4K30fps HDR On?

13.) What is maximum Bitrate for each channel in 3-CH configuration;
a.) Front
b.) Rear
c.) IR Interior Fisheye
d.) Waterproof Rear
e.) Telephoto

14.) What is the measured FOV of each camera?
a.) Front
b.) Rear
c.) Waterproof Rear
d.) Telephoto
e.) IR Interior Fisheye
f.) IR Interior Fisheye (LED’s illuminated in darkness)

15.) When upgrading to A329S, can the old HK4 Hardwire Kit be used, or is the new HK6 required?
HK6 Hardwire Kit is required for the new voltage based HPR Hybrid Parking Recording, (HK4 does not support voltage based HPR).

16.) MSRP 3CH configurations?
a.) $470 A329S Rear & IR Interior Fisheye
b.) $470 A329T Rear & Telephoto
c.) $480 A329SW Waterproof Rear & IR Interior Fisheye
d.) $480 A329TW Waterproof Rear & Telephoto
e.) $480 A329WW (2) Waterproof Rear

17.) MSRP “a la carte”?
a.) $330 Front / Main Unit
b.) $90 RC420 Rear
c.) $100 RTC420 Telephoto
d.) $100 RCC360 IR Interior Fisheye
e.) $100 RWC420 Waterproof Rear

18.) Can the A329S operate in 3-CH with these configurations;
a.) (YES) 2 Waterproof Rear cameras?
b.) (???) 2 IR Interior Fisheye cameras?
c.) (YES) 2 Rear cameras?
d.) (???) 2 Telephoto cameras?

19.) What is the temperature difference between continuous Low Bitrate parking mode, and the new LPID (Low Power Impact Detection) parking mode, (measured with Thermal Imaging Camera)?

20.) Based on remote camera configurations, how many different firmware versions are available for A329S?
Posted on Viofo.com May 30, 2025
A329S: FWA329S.bin V1.0_250527 87.7 MB
A329T: FWA329T.bin V1.0_250527 87.3 MB
A329WW: FWA329WW.bin V1.0_250527 87.5 MB

21.) What’s the difference between RTC420, and RTC300?
RTC420 = Telephoto A329S (Coax)
RTC300 = Telephoto A229 Pro & A229 Plus (USB Type-C)
Do they have the same?
1.) Image Sensor? YES
2.) Lens?
3.) Focal Length?
4.) FOV?

22.) I want to purchase an A329S 3CH but I don’t see the particular remote camera configuration I want on Amazon, Viofo.com, etc.
What are my options?
Option 1.) Purchase A329S 1CH configuration, and purchase additional remote cameras ala carte, (this may be more expensive).
Option 2.) Submit a support ticket, and request to purchase the particular 3CH configuration you desire, (this may be less expensive).
Option 3.) Purchase the available 3CH configuration, and purchase the (2) additional remote cameras ala carte, (this is the most expensive but you will have all (4) remote cameras).

23.) What are the (2) new parking modes, and why are they important?
1.) LPID (Low Power Impact Detection)
2.) HPR (Hybrid Parking Recording)
A: Most users don’t want the added expense, and complexity of installing a dash cam battery pack for extended parking mode operation.
LPID & HPR offer substantially improved parking mode run time without a battery pack.
Previous Parking Modes;
a.) AED (Auto Event Detection)
b.) TLR (Time Lapse Recording) no audio
c.) LBR (Low Bitrate) continuous video recording with audio

24.) Does LPID (Low Power Impact Detection) support recording to SSD?
A: LPID supports Micro SD Card only.

25.) Is the A329 2CH officially discontinued? YES

26.) How long are recorded clips in LPID?
A: When an impact wakes up the camera in LPID it will record for 1 minute.
If movement, or impact are detected during that time, recording will be extended up to 3 minutes.

27.) Does A329S support 60fps in 3CH configuration?
A: 60fps supported in 1CH & 2CH configuration only.

28.) What are the PROS & CONS of the new Multiplex feature?
PROS;
Reduced number of files on SD Card / SSD, (up to 3 down to 1)
Simplicity of downloading a single clip, (instead of 2, or 3)
Review recorded footage up to 3CH simultaneously without editing software
CONS;
???

29.) Does Multiplex support 60fps?
A: Multiplex supports 30fps only.

30.) Does Multiplex reduce parking mode power consumption due to writing a single file, instead of three separate files?
A: Preliminary testing indicates yes, stay tuned for measured figures with HK6.

31.) What are default & optional Coax cable lengths for remote cameras?
DEFAULT;
6 Meter Rear
1 Meter IR Interior Fisheye
1 Meter Telephoto
3 Meter Waterproof Rear
OPTIONAL;
0.15 Meter
0.3 Meter
0.5 Meter
8 Meter
10 Meter
15 Meter
NOTE: Custom length Coax cables may be available through Viofo Tech Support; SUBMIT A TICKET

32.) Are all (4) remote cameras compatible with BOTH remote camera ports, (rear & int)?
a.) RC420 Rear
b.) RTC420 Telephoto
c.) RCC360 IR Interior Fisheye
d.) RWC400 Waterproof Rear
 

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9.) Do any remote cameras have their own processor / chipset, (similar to rear & telephoto for A229 Pro & Plus)?
I already told you that if you see coaxial cables this means it will be not an encoding processor on a secondary camera. Encoding processor on secondary camera is possible only with USB cables or maybe network cables, but not coaxial.
So you have two questions which already had the answers for you. Less questions, more easy to watch this thread. 😉

Regarding your attached picture, I think Viofo should have also the A329 SI model because of the super-wide interior lens (SDS posted a picture). Many people are buying the dashcam for surveillance and some of them can consider that front camera and such an interior camera is enough for them and they don't need too many details from the rear of the car.
 
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I already told you that if you see coaxial cables this means it will be not an encoding processor on a secondary camera. Encoding processor on secondary camera is possible only with USB cables or maybe network cables, but not coaxial.
So you have two questions which already had the answers for you.
You know that.
I know that.
I posted the question for people that don't know that. lol
super-wide interior lens
The widest FOV Viofo camera I've measured is the A139 Pro Rear.
The A329S IR Interior cameras looks so wide I think I need to add another yardstick to the wall. lol
 

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You know that.
I know that.
I posted the question for people that don't know that. lol

The widest FOV Viofo camera I've measured is the A139 Pro Rear.
The A329S IR Interior cameras looks so wide I think I need to add another yardstick to the wall. lol

Are you saying the list is a quiz, and nothing more? You should probably strike #9 from the list.
 
The A329S IR Interior cameras looks so wide I think I need to add another yardstick to the wall. lol
I think you might just succeed if you only measure half the image, move the camera to point the centre of the image at the right side of your scale instead of the centre, measure to the left side of the image.
 
The A329S IR Interior cameras looks so wide I think I need to add another yardstick to the wall. lol
The potential margin of error for measuring the horizontal FOV of a fisheye lens by using a flat wall is not insignificant, although I'm not sure the actual value will matter to most people anyway. You could switch to measuring the angle with a protractor.
 
The potential margin of error for measuring the horizontal FOV of a fisheye lens by using a flat wall is not insignificant, although I'm not sure the actual value will matter to most people anyway. You could switch to measuring the angle with a protractor.
Using Chuck's method, if the lens is actually greater than 180° FoV, then the measured length will be infinite...
He will need a circular scale to measure against, not a straight one.

I did notice that on Mtz's windshield, his rear facing camera is looking out the front of the windshield on both sides, which suggests that it is >180°, but windshields are curved, so maybe not... It is going to be close to an infinite measurement on the straight scale.
 
The lens angle is so wide that you need to buy a larger house to make the correct measurements. Viofo must sponsor it!
I think you might just succeed if you only measure half the image, move the camera to point the centre of the image at the right side of your scale instead of the centre, measure to the left side of the image.
The potential margin of error for measuring the horizontal FOV of a fisheye lens by using a flat wall is not insignificant, although I'm not sure the actual value will matter to most people anyway. You could switch to measuring the angle with a protractor.
My prediction is 210° horizontal FOV.
I wonder if Viofo will publish an FOV specification, or just call it fisheye / panoramic.

Another thing I want to measure is how much the FOV is reduced in total darkness when the IR LED’s are illuminated, (it only has 4 LED emitters).
The A229 Pro IR Interior camera dropped to only 4 LED emitters so it could accommodate the light sensor for more accurate switching between color, and B&W.
The A139 Pro IR Interior has 6 LED emitters.
84° = A229 Pro IR Interior LED’s illuminated
98° = A139 Pro IR Interior LED’s illuminated
When Ben filmed the comparison of the IR Interior cameras from the A229 Pro & A329S both camera’s LED emitters were illuminated so they had twice the amount of IR light.

1.) A229 Pro LEFT vs. A139 Pro RIGHT  .webp

A229 Pro 84° .webp

A139 Pro 98° .webp


 

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Your prediction is OK, for sure it is not just 180 degrees, don't blame the car window because it is not so curved. You can use that value in your tables and nobody will be disappointed about that.
 
You can use that value in your tables and nobody will be disappointed about that.
I'm sill going to measure, I ordered more yardsticks. lol
 
I'm sill going to measure, I ordered more yardsticks. lol
But you are doing your calculations in meters!

The correct solution is to bend the ruler into a circle running around the camera at a constant radius. If you do that then you will need less yardsticks, and you don't need to use Pythagoras, since each mm is the same amount of degrees, the maths is just a multiplication.

An easier, but less accurate, solution would be to measure only the centre half of the image, then if it is 100°, the full image will be about 200°. There will be a small error due to fisheye.
 
I’d like to know how long in minutes, hours, days, the parking mode is rated for? Is it advisable to install a separate battery for parking mode and if so, what is recommended?
 
I’d like to know how long in minutes, hours, days, the parking mode is rated for? Is it advisable to install a separate battery for parking mode and if so, what is recommended?
A dedicated dashcam battery will always be the better solution than using the battery of your car.
The run time will be increased and you don't have to worry about a low voltage cutoff to preserve your battery.
Especially in colder temps during the winter this will be very noticeable.
20hours of runtime or more are easily achieved with a dedicated dashcam battery.
 

Official Viofo Q&A .webp
 
I’d like to know how long in minutes, hours, days, the parking mode is rated for? Is it advisable to install a separate battery for parking mode and if so, what is recommended?
Apologies for the late reply.
Accurate power consumption testing can not be completed until the new HK6 hardwire kit is delivered, (ETA July 1).
I could test with HK4 but it takes me a long time, (4-8 hours) to perform all the tests in different configurations & firmware settings.
I will tag your user name when I post power consumption data.
Which battery is recommended for the 329S?
Apologies for the late reply.
I’m currently testing a dash cam battery pack that will be recommended, (no official release date).
However, with LPID (low power impact detection) you may not need a battery pack for your application.
 
Apologies for the late reply.
Accurate power consumption testing can not be completed until the new HK6 hardwire kit is delivered, (ETA July 1).
I could test with HK4 but it takes me a long time, (4-8 hours) to perform all the tests in different configurations & firmware settings.
I will tag your user name when I post power consumption data.

Apologies for the late reply.
I’m currently testing a dash cam battery pack that will be recommended, (no official release date).
However, with LPID (low power impact detection) you may not need a battery pack for your application.
Also look forward Chuck to the outcome of your HK6 test for LPID & Hybrid modes.
 
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