Downloads
Here you can download two VAC versions: fully-functional trial version, and feature-limited Lite version.
Trial version can be used anywhere to evaluate product functionality. After 30 minutes, female voice starts to remind that this is only a trial. Otherwise, there is no functionality restriction compared to the full version.
If the latest version works not as described, try the last knowingly stable version 4.70: self-installing EXE or ZIP archive.
Lite version can be used only in a private home environment not associated with income generation. Here is a feature comparison table:
| Feature | Lite version | Trial version | Full version |
| Maximum number of Virtual Cables | 1 | 256 | |
| Maximum sampling rate | 48000 | 384000 | |
| Maximum bits per sample | 16 | 32 | |
| Maximum number of channels | 2 | 32 | |
| Minimum milliseconds per event | 3 | 1 | |
| Maximum number of worker threads | 1 | 32 | |
| Maximum number of clients | 1 | Unlimited | |
| Multi-client support | No | Yes | |
| Stream format limiting support | No | Yes | |
| Channel remapping support | No | Yes | |
| Microphone and S/PDIF type lines | No | Yes | |
| Position and clock register support | No | Yes | |
| Voice reminder | No | After 30 min | No |
| Cost | Free | Free | 15-50 USD |
| Usage policy | Home only | Evaluation | Home/business |
| Technical support | Bugs only | Full support | Full support |
The easiest way to open the user manual is to click the "Help" button in the first installation dialog, or in VAC Control Panel window (if already installed).
The licensing terms are specified in the license agreement.
Important things
- If recording/input endpoints are inaccessible in Windows 10/11, make sure that Microphone access is not disabled in Windows Settings - Privacy - Microphone.
- If some application that use Kernel Streaming (KS) interface cannot see and/or access VAC pins (devices), try to switch Virtual Cable's port type from WaveRT (the default) to WavePci or WaveCyclic.
- If the exclamation point icon is displayed on the left of Virtual Cable row in VAC Control Panel, please check driver's log and follow the suggestions to avoid audio interruptions and/or artifacts.
In case of downloading a ZIP archive, just extract the contents into an empty folder and run "setup" file for installation. Please read the "readme" file from the package for additional details.
All version packages contains the same fully-functional Audio Repeater binaries. Audio Repeater applications can be used freely and independently from VAC product.