On-Stage AP3500 Acoustical Wall Treatment 100742611 The 4009BP is made of

The 4009BP is made of high density polyethylene (HDPE) that exceeds the ATA category 300 flight specification

40 Hz low cut filter

IEC Power Cord Daisy Chain 20 units @ 120V

Carton Depth: 18

Lightweight

On-Stage AP3500 Acoustical Wall Treatment 100742611 The 4009BP is made ofOn Stage AP3500 Acoustical Wall Treatment On Stage Acoustic Panels are designed to reduce reflections and flutter echo in listening areas such as spaces for recording or rehearsal, music rooms, control rooms, and home theaters. Using these acoustic panels to minimize reflections from a room's hard surfaces helps keep sound enjoyable and clear, especially important for speech or vocals, and in public spaces like auditoriums and houses of worship.