As stated above, take it back and have the disc used this time. It has to measure the cars response curve to work properly and this can only be done using the set-up disc. As for Directed Audio. It is part of DEI, Directed Electronics Inc. These are the guys who own Viper, Clifford, Hornet, Python, Automate & Avital car alarm lines as well as PPI, Orion, Definitive Technologies and Polk Audio for the car and home audio lines. The Directed Audio line is a good bang for you buck product line and should be fine for your bass.
