Martin Logan 30i Speaker

Ported Centre Speaker featuring a 1" x 1.4" Folded Motion Tweeter with 5.25" x 1.75" diaphragm. Two 5.5" Aluminium Cone Bass Drivers with cast polymer basket. Frequency Response 65 - 25000Hz +/- 3dB, Sensitivity 91dB, Nominal Impedance 4 ohms, Weight 8.2kg Each, Dimensions (HxWxD) 175mm x 420mm x 258mm