The speaker has two 4-inch woofers and a 1/2" tweeter and a metal grille.The speaker frequency response is 250 Hz to 15 kHz and the magnets are shielded for home theater use near monitors.The Model MNCX Mini-cube Platinum Speaker Pair are 8-ohm, 100-watt, dual-pivoting, indoor cube speakers. Each speaker has two pivoting cubes that each contain a 3-inch paper cone with a rubber surround speaker covered with a cloth grille. The mini-cubes can be mounted on the wall or ceiling, or be used freestanding.The Model PSW112 Powered Subwoofer is a downfiring 12-inch powered subwoofer with a built-in 100-watt amplifier. The PSW112 has a frequency response from 30 Hz to 140 Hz. A adjustable volume control is provided to set the subwo...  (less)