The Magnepan MG-1.4 loudspeaker was conceived and designed for perfectionists. One of the most revealing loudspeakers made, it will provide outstanding music reproduction when used with high quality components. Due to the elegant simplicity and ruggedness of the design, the Magneplaner MG-1.4 loudspeakers will give many years of trouble free service. Specifications Type: 2 way, 2 driver loudspeaker system Frequency Response: 40Hz to 18kHz Recommended Amplifier: 100 to 200W Crossover Frequency: 1000Hz Impedance: 5Ω Sensitivity: 87dB Bass: 1 x 428" sq Tweeter: 1 x 68" sq Grille: grey fabric Finish: Oak trim Dimensions: 22 x 60 x 2 inches Weight: 35lbs