Sorry I don't have the complete spec's on them, I have requested them from the insider that emailed me from Yamaha when I purchased replacement tweeters! They are well worth $100 a pair! I would jump on anything under $50. The woofers have a very deep sound at low volume. I have had mine since...

Yes! They are well worth it! I still have my Yamaha NS-A350's and they still rock! They are acoustic suspension, and have a solid deep bass, (no port hole like bass reflex), they can handle some power for a very long time, my tweeters blew from loud playing, mids and woofers are still great, I...