2x HyDrive 10 "Speakers with Hybrid Technology: Neodymium Magnets with Cardboard / Aluminum Membranes 1 "titanium compression chamber motor with three position switch (on / off / -6dB) frequency response 42Hz-21kHz impedance 8Ohms 6.35mm jack and Speakon jacks birch plywood frame enclosure with bass reflex vinyl covering metal grid, angles and handles dimensions (mm): 685.80 (W) x 450.85 (p) x 457.20 (h) Weight: 14,5 Kg