3-position high frequency energy switch matches the speaker's response to the listening room's reflective characteristics Location switch compensates for the speaker being located behind a perforated screen Lower-midrange boundary compensation control adjusts for placing the LCR speaker in a cabinet, near a wall, or directly adjacent to TV Crossover frequency: 450Hz, 3kHz Crossover type: Computer-designed Butterworth 4th order asymmetrical (time-aligned) Linkwitz-Riley Midrange: (2) 5¼" graphite-loaded homopolymer cones Tweeter: (1) 1" silk dome The dimensions shown are with the grille. Packaging: Carton Unit Of Measure Id: 1 Width: 10.6 inches Depth: 11.9 inches Height: 31.1 inches Weight: 53 pounds Color: Gloss Black Wattage: 25 - 200 Watts RMS Recommended Amplifier Power Nominal Impedance: 6 Ohms Sensitivity: 90dB Frequency Response: 60Hz – 20kHz ±2dB Woofer: (2) 8" Graphite-Loaded Homopolymer Cones Speaker Type: Floor Standing