Impedance 8 Ohms nominal, 6.7 Ohms minimum Crossover: 1500 Hz Input Connections: Two 1/4" Phone Jacks, Two 4-pin Neutrik Speakon Connectors (all in parallel) Injection-molded high-impact polypropylene with molded-in mounts Weight: 44 lbs. (each) Dimensions: 23-11/16" x 17-13/16" x 10" x 13-3/4" (HxWxWxD) (each) Surfaces have scratches, scuffs, scrapes, marks, and wear from normal use (see photos)