Hearing Protection for the Entire Ensemble The K&M 11900 sound insulation stand features a convex/concave acrylic shield that protects the hearing of musicians sitting or standing in front of you. Here at GearNuts, we’ve found this stand to be an excellent accessory for any musician who plays in a stationary large ensemble, such as orchestras and jazz bands. It’s also great for stage managers to have on hand when such ensembles perform in their venues. The 11900’s durable steel stand can be used on both sides, plus it has a tripod base with foldable legs for easy transport and storage. Finally, the K&M 11900 sound insulation stand has a V-block connector that effortlessly attaches to its stand.K&M 11900 Sound Insulation Stand Features: Concave/convex acrylic glass shield protects hearing for musicians sitting in front of the user Stable steel stand with tripod construction and foldable legs is durable and safe Stand