Audio-Technica AT-ST3 Speaker Stands For AT-SP3XThe AT ST3 speaker stands position your AT SP3X or other similarly sized bookshelf speakers for optimal sound projection. Made from rigid alloy steel with vibration damping cork feet, each stand provides rugged support for a speaker weighing up to 3 kg (6. 6 lbs). The stands speaker support surface is layered with urethane foam to further suppress unwanted vibrations and is angled at a shallow 13 degrees under the assumption that music will be enjoyed