An ahq file extension is related to the AudioHQ management software for Sound Blaster Live! sound cards. An ahq file stores plug-in for AudioHQ.
AHQ file extension - AudioHQ plug-in
What is ahq file? How to open ahq files?
File type specification:
The ahq file extension is associated with AudioHQ, a program that was bundled with Sound Blaster Live sound cards sometime around 2006.
The ahq file is a plugin probably used for interlinking to some audio players.