Polk Audio FxiA4 Bipole Speaker Black

2 x 1” silk polymer composite dome tweeter, 1 x 5.25” polymer composite cone and rubber surround mid bass driver, Acoustic Tuned Vent, dipole/bipole switch, 50-27Hz Freq, 88Db Sensitivity, 20-150 watts, 8 Ohms Impedence, 1 pair Gold Plated binding post, Keyhole Hanger, 30.48 H x 28.89 W x 18.89 D cm, 4.08 kg each.