There are some new OEM integration products announced at CES that may be of use to people trying to integrate with the Prius sound system to add extra amps and speakers and generally upgrade the sound quality: JL Audio has new summing and switching devices: http://www.carsound.com/UBB/ultimatebb.php...ic;f=1;t=023719 Rockford Fosgate makes the 360 audio processor: http://www.carsound.com/UBB/ultimatebb.php...c;f=18;t=010916 And Harman makes a totally cool audio processor that looks like the bomb: http://www.carsound.com/UBB/ultimatebb.php...c;f=18;t=011028
