Have you checked here?
http://www.imagedynamicsusa.com/pdf/iD Discontinued Speakers and Eletronics/
If the specs aren't in that list, try emailing or calling the guys at ID. They're friendly and always willing to help.
http://www.imagedynamicsusa.com/pdf/iD Discontinued Speakers and Eletronics/
If the specs aren't in that list, try emailing or calling the guys at ID. They're friendly and always willing to help.