Martin Logan 35XTi powerful bookshelf speaker

Ported Bookshelf Speakers featuring a 1.2" x 2.4" Folded Motion Tweeter with 4.5" x 2.75" diaphragm. 6.5" Aluminium Cone Bass Driver with cast Polymer basket. Frequency Response 650 - 25000Hz +/- 3dB, Sensitivity 92dB, Nominal Impedance 4 ohms, Weight 7.7kg Each, Dimensions (HxWxD) 343mm x 192mm x 297mm