Acoustic Research speakers/model 520.Brand new in the box,Descripion: 3 way-10" pulp cone acoustic suspension woofer, 6 1/2" filled polypropylene cone acoustic suspension mid range in its own sub-enclosed 3/4" nitro filled titanium dome, liquid cooled tweeter with tetra helix mounting plate and acoustic lens / 200 watts, walnut colour, 28 3/4" x 14 1/6" x10 1/2" deep/38lb's ea. You can try them before buying