Elac Uni-Fi FS U5 Slim floorstanding speakers

Speaker type: 3-way, bass reflex
Tweeter: 1 x 1-inch soft dome, concentrically mounted
Midrange: 1 x 4-inch aluminum cone
Woofer: 3 x 5.25-inch aluminum cone
Crossover frequency: 270 / 2,700 Hz
Frequency response: 42 to 25,000 Hz
Sensitivity: 85 dB at 2.83 v/1m
Recommended amplifier power: 40 to 140 wpc
Peak power handling: 140 wpc
Nominal impedance: 4 Ω; minimum 3.4 Ω
Binding posts: 5-way custom
Magnetic shielding: No
Cabinet finishes: Black or white white satin paint finish
Accessories included: Magnetic fabric grille
Dimensions (WxHxD) No Feet:  7″ x 38.58″ x 11.54″