Primacoustic BROADBAND Panel F102 2448 08 ( 24'' x 48'' x 2", Square Edge - Grey, 6 Pack )The F102 2448 08 2" Thick Broadway Panel Control Columns (Grey) from Primacoustic is a set of high density absorptive panels designed to provide an acoustic treatment where you want to control primary reflections, eliminate flutter echo, and reduce standing waves. A typical installation includes a series of these panels installed between the sound source and the listener, usually spread across a wall surface with space between each panel. This