Not necessarily true.
I use this on my Ultra
BT 480 - 180W RMS / Channel
15 amp fuse.
* Hi-Tech High-Efficiency Switching Amplifier
* 180 Watts RMS per-channel
* Powered by patented "UcD" technology
* Protects charging system w/StartorGuard technology
* Works on most touring bikes
* Designed and manufactured in USA
* Lifetime Warranty
It comes with a high out put connection to connect to the speakers for 2 ohm and coverts it to 4 ohms.
2011 Cross Country
If everything fails read the instructions
Last edited by dirtdobber; 02-11-2011 at 07:59 PM.