hi guys I recently upgraded my HU to a Sony CDX-GT200, I know is sony but it was free and there is a huge different vs stock, so now I want to upgrade my speakers.
here is what I want for the front and for the back but i am not sure how well they are going to sound without the amp. thanks for ur reply

front
Boston Acoustics SX65 6-3/4" 2-way
Details:
6-3/4" 2-way speakers (pair)
copolymer woofer cone with butyl rubber surround
Type-S2 Kortec dome tweeter
compact neodymium magnets for shallower mounting depth
power range: 2-50 watts RMS (160 watts peak power)
frequency response: 55-20,000 Hz
sensitivity: 90 dB
rear
Infinity Kappa 692.7i 6"x9" 2-way
details:
2-way 6"x9" speakers (pair)
2-ohm impedance
Plus One woven-glass-fiber woofer cone with hi-roll rubber surround
rotating UniPivot M.M.D. dome tweeter
computer-optimized outboard crossover with tweeter level control
power range: 2-110 watts RMS (330 watts peak power)
frequency response: 35-25,000 Hz
sensitivity: 95 dB