Nice sounding Technics SB-CX700 speakers from 1989-93 when Technics was quality. 3 way 4 driver, passive radiator on back for extra bass. Weigh approx. 51 pounds, made in USA. Located in Chemainus. Specifications: Type: 3 way, 4 driver loudspeaker system Frequency Response: 25Hz to 45kHz Power Handling: 100W Crossover Frequency: 400, 3500Hz Impedance: 6Ω Sensitivity: 90dB Bass Radiator: 1 x 330mm cone Bass: 1 x 300mm cone Midrange: 1 x 100mm cone Tweeter: 1 x 25mm dome Enclosure: passive radiator Dimensions: 365 x 900 x 312mm Weight: 23.5kg