IsoAcoustics Aperta - Studio Monitor Isolation Stands (Black/Pair)Discover the Aperta Series speaker isolation stands, designed to manage the energy of the speaker and reduce vibrations resonating through the supporting surface to eliminate dissonant sounds in the listening area or joining rooms. Internal reflections are vibrations reflecting back up the speaker cabinet which causes smear. Smear is a result of artefacts replicated in both channels which are perceived to be in the middle, causing the stereo image to