I got these image dynamics 6,5s
http://www.amazon.com/Ctx65cs-Dynamics-Component-Speaker-System/dp/B001NNOZNQ
100 w rms at 4 ohms.
with this rockford amp
Rockford Fosgate Punch P450.4 4-channel car amplifier 60 watts RMS x 4 at Crutchfield.com
60 w x 4 rms at 4 ohms or 100 x 4 rms at 2 ohms
http://www.amazon.com/Ctx65cs-Dynamics-Component-Speaker-System/dp/B001NNOZNQ
100 w rms at 4 ohms.
with this rockford amp
Rockford Fosgate Punch P450.4 4-channel car amplifier 60 watts RMS x 4 at Crutchfield.com
60 w x 4 rms at 4 ohms or 100 x 4 rms at 2 ohms