Polk Audio Signature Series S55 Tower Speakers.

Polk

Audio Signature Series S55 Floor Standing Speaker – (2) 6.5” Drivers, Stylish Looks, Big Sound, Bi-Wire & Bi-Amp, Detachable Magnetic Grille

FLOOR STANDING SPEAKER ; Height:41.5" (105.41 cm) ; Width:11.7" (29.72 cm) ; Depth:12.5" (31.75 cm) ; Weight:44 lbs (19.96 kg) ; Driver Enclosure Type:Power Port ...

Speaker Inputs: (1) Set of 5-Way Binding Posts - Gold-Plated

Tweeter/Midrange Crossover Frequency: 2500 Hz

Nominal Impedance: 8 ohms

Driver Enclosure Type: Power Port Bass Vented