Centre speaker series auna linie 501 power rating 60 watt effective output 120 watt system 2 way system principle passive impedance 8 ohm power supply passive colour white housing material wood speaker enclosures closed removable speaker cover number of tweeters 1 treble chassis 25 mm number of mid range drivers 2 midtone chassis 100 mm speaker terminals screw terminal gold plated width 425 mm height 150 mm depth 245 mm weight 46 kg