hi all I need all your idea for what kind of speaker should I buy to upgrade for my 2010 prius 3 JBL system no NAV, I do not want to install SUB WOOFER at all, just upgrade the speakers, this what I bought so far to prepare for buy new speakers. front speakers adapter 1' thick 6x9, by the way my JBL speakers are 6x9 back speakers adapter 1' 6 1/2 round 2 sets speakers connector Metra 72-8104 the reason I do this is i want to keep original JBL for later that I would like to put them back. So far i can gather from all member the speaker they used or installed in Prius 2010 JBL are: 1. Infinity Reference 9632cf 6x9-Inch, 300-Watt High Performance Two-Way Loudspeaker 2. Infinity Reference 6032cf 6.5-Inch 180-Watt High-Performance Two-Way Speakers or 1. Infinity Kappa 692.9i 6x9 inch, 300 watt peak, 150 watt rms 2. Infinity Kappa 62.9i 6.5" inch, 225 watt peak Please let me know which one you guy think is better or give me some more idea what other speaker can do better. Just want to upgrade the speakers nothing else that I want to upgrade. V/r Khoi Nguyen 858-699-7604