Outstanding monitors. Very realistic. Good condition. Midrange and High frequency controls work very well. Small tear in mid-range driver paper cone (doesn't effect the sound). 75W, 8 ohms. 45Hz-15000Hz. Sensitivity 91 dB.
http://www.jblpro.com/pub/obsolete/4311.pdf
No shipping. Local pickup only. $400. (Chesapeake City, MD)