This is the perfect marching bass drum head right out of the box and onto the field. The 32 Remo PowerMax marching bass drum head features a single ply of 10mil ultra white film with a 7.5mil underlay and a floating internal muffling ring. This muffling ring focuses attack and pitch while boosting the low end frequencies. For added strength, a CS dot is applied to under side of the head. The Remo PowerMax Marching Bass Drum Head is the ultimate in powerful bass with maximum projection, tone and control. Specifications. Finish Ultra White. Series Remo Drum Heads. Format Drums. Width 37. Length 37.5. Size 32 dia.