Quick and Easy Setup, Mitigates Unwanted Noise in Recording, 2" Thick Acoustic Panels, High-Density, Noise-Absorbing Foam, Universal Standard 5/8'' Mic Thread, For Studio Vocal Booth or Home Recording. The Pyle Pro PSMRS09 is a portable vocal isolation booth meant to improve the quality of your vocal recordings by mitigating potentially deleterious aspects of your room’s acoustics. It does this by providing a plethora of 2” thick foam surrounding a mic stand. The mic stand itself slides closer or farther away from the foam panel as need be. It works best with microphones that utilize a cardioid polar pattern. Quick and easy to set up the PSMRS09 is suitable for amateurs and professionals alike in the spheres of podcasting voice-over work or musical recording.