Bookshelf speaker series auna linie 300 power rating 35 watt effective output 76 watt system 2 way system principle passive impedance 8 ohm power supply passive colour black speaker enclosure bass reflex number of tweeters 1 tweeter material tweeter silk number of midbass drivers 1 bassmidtone chassis 130 mm speaker terminals screw terminal gold plated width 150 mm height 270 mm depth 170 mm weight 17 kg area of use home cinema hifi s