The IsoAcoustics ISO-200Sub Acoustic Isolation Stands are available for subwoofers used in professional studios, project studios, HiFi and home theater settings. The ISO Stands are an updated version of the popular ISO-L8R series and features a lower profile, new frame design and a newer version of isolator for improved performance. The ISO-200Sub isolation stand is 7.8” (200mm) wide x 10” (255mm) depth x 3.5” (90mm) height and is rated for subwoofers weighing up to 60lbs. The ISO-200Sub does not include height or tilt adjustment. The ISO-L8R200Sub is designed to clean up acoustic issues common with subwoofers. The ISO-200Sub allows the subwoofer to float and controls the energy of subwoofer to prevent the low frequencies from being driven into the supporting surface. As a result, you will hear more punch and clarity from your subwoofer.