Floor speaker series indiana line diva system 3 way system frequency response 40 22000 hz sensitivity 90 dbmw impedances 4 6 8 ohm crossover frequency 2800 hz recommended amplifier power 30 130 colour black housing surface paint design down firing subwoofer speaker enclosure bass reflex number of tweeters 1 treble chassis 26 mm number of mid range drivers 1 midtone chassis 140 mm number of subwoofers 1 bass chassis 140 mm speaker ter