Pangea Audio DS400 Heavy Duty Speaker Stands (28 Inch) Heavy-duty all-steel speaker stand All four support piers can be filled with sand or steel shot Adjustable carpet-piercing bottom spikes Four soft rubberized top pads supplied for speaker isolation Compatible with a wide range of compact or monitor-type speakers Heavy-duty all-steel speaker stand Four rectangular support piers All four support piers can be filled with sand or steel shot 6&#034; by 8.5&#034; steel top plate Extra heavy duty 9.75&#034; by 12&#034; bottom plate Heavy-duty, large-diameter solid metal bolts rigidly couple the support columns to the base Adjustable carpet-piercing bottom spikes Four soft rubberized top pads supplied for speaker isolation Compatible with a wide range of compact or monitor-type speakers Wood has poor acoustic properties Wood absorbs and stores vibration energy Wood slowly releases stored energy, muddying the sound coming from your speakers Steel doesn&#039;t &#039;hang onto&#039; energy like wood Steel releases vibration very quickly Steel won&#039;t muddy speaker sound like wood A well-designed all-steel stand solidly supports your speaker improving image focus, reducing mid-range coloration, and tightening the bass Both small and larger bookshelf speakers Compact speakers Monitor-type speakers Powered or passive speakers Two-channel hi-fi speaker systems Multi-channel music or home theater speaker systems