Image: Shell with sound baffles — Acoustic baffles must be designed and hung as to allow natural airflow while still providing sound absorption. The sound baffles will stop side to side sound better than most acoustical materials.

Shell with sound baffles — Acoustic baffles must be designed and hung as to allow natural airflow while still providing sound absorption. The sound baffles will stop side to side sound better than most acoustical materials. (David A. Collins)