The quality of Onkyo product has declined appreciably in the last couple of years. I know this from personal experience with my NR909 which required 2 HDMI board replacements within 9 months. From a purely "technical specs" point of view, yes the specicifcations of the receiver and the JBL speakers are well matched.
1. This AV receiver is made for multiple channels of speakers, and wpc drops with each set you add on. So just on basis of amplifier power the answer is look elsewhere. To get the most out of these speakers you need more power, and if you're only running one channel of speakers you don't need this receiver. 2. As has been pointed out in many many reviews, Onkyo TX-NR xxx series of AV receivers have problems.