Contact Contact DFAT or Maryland Sound Contact the following people at 410-448-1400 or send the Email request below. For pricing information contact Bob Goldstein, president of MSI: rtg@msihc.com For technical information regarding the DFAT® method please contact Paul Larkin, DFAT® Operations Manager: plarkin@msihc.com For technical information regarding audio components please contact Matt Polk, Audio System Designer: mpolk@mathewpolk.comNameFirstLastEmailPhoneQuestions or Comments: