This Supra came to Complete Car Sound with a different brand of audio gear previously installed. Brisbane company, Complete Car Sound, installed a Type R Pack this includes Type R from Apline 6.5Inch split & 2-way amped by an Alpine PDX-F4, two 12 inch Type R Subwoofers amped up http://brisbane-car-sound37150.xzblogs.com/23440155/toyota-supra-upgrade