Have you tried running the uninstaller in C:\Program Files (x86)\Stardock\AcousticBridge?
If you are comfortable in the registry, you can remove any and all of the following keys and delete C:\Program Files (x86)\Stardock\AcousticBridge.
- HKEY_CURRENT_USER\Software\Stardock\Remote
- HKEY_LOCAL_MACHINE\Software\Wow6432Node\Stardock\Misc\AcousticBridge
- HKEY_LOCAL_MACHINE\Software\Wow6432Node\Stardock\RemoteAudio