Centre speaker series monitor audio radius power rating 100 watt system 2 way system principle passive frequency response 60 35000 hz sensitivity 86 dbmw noise level 106 db recommended amplifier power 40 150 power supply passive speaker enclosure bass reflex number of tweeters 1 treble chassis 25 mm number of midbass drivers 2 bassmidtone chassis 100 mm width 125 mm height 330 mm depth 164 mm weight 36 kg area of use home cinema