My cuz is selling a pair of Max Caliber 12" subs in a box plus a Lanzar 360 watt, 2 channel amp and an Aiwa deck for about $600 bucks CDN (about $400 US)......and I was wondering if Max Caliber and Lanzar made good stuff? Oh, he paid about $1200 CDN (about $800 US). Thanks, in advance.