four 3" bi-laminate paper cone drivers 1" Terylene high-res dome tweeter handles up to 200 watts frequency response: 57-40,000 Hz 84-26,000 Hz (-3dB) sensitivity: 87 dB 8-ohm impedance non-resonant MDF cabinet keyhole slots for on-wall mounting 5-way nickel-plated binding posts anti-diffraction magnetic grilles Dimensions 24-7/16"W x 4-3/16"H x 5-9/16"D weight: 14 lbs. Polk Audio's Monitor XT35 measures just over 4" high and less than 6" deep, so it's perfect for home theater applications where you need a low-profile center channel speaker. It can be placed on a table, and there are convenient keyhole slots on the back so you can wall-mount it, too. unit in New condition tested and working as it should