Acoustic Research AR-4x Walnut Wood (ONE speaker only) Working. Acoustic Research AR 4x One speaker only Missing logo. + All drivers work. You will receive what are in pictures. Please pay within 7 days. Please let us know. We will do our best to work it out. BUYERS HAVE 14 DAY FROM THE DATE RECEIVE ITEM TO NOTICE ANY PROBLEM IF SO. Get images that make Supersized seem small. Showcase your items with Auctiva’s. Track Page Views With.