Centre 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 white number of tweeters 1 tweeter material tweeter silk number of midbass drivers 2 bassmidtone chassis 100 mm speaker terminals screw terminal gold plated width 455 mm height 170 mm depth 155 mm weight 17 kg area of use home cinema living room