I am a CT Sounds dealer, as well as have used it as my personal equipment. The amps do their rated power and then some. It is very nice stuff for the money. Their subwoofers also perform exceptionally well in their respective price points.
Item(s) for Sale:
Clarion NX-603 Multimiedia Head Unit
Item(s) Description/Condition:
Brand New In Box
FEATURES
6.2-inch Digital Touch Panel WVGA Monitor
Variable Color Key Illumination (728 colors)
MP3/WMA playback via DVD/CD and microSD
Built-in Bluetooth Interface (HFP, HSP, OPP...
Also sounds like a classic case of a dealership trying to avoid warranty work. (Assuming its still under warranty) Happens all the time. They'll blame anything thats not stock as part of the problem.