The coated drumhead is slightly warmer than clear heads. They';re known for their bright warm tones, resonance, and sustain. Coated heads are best known as batter and resonant heads warming up the sound of tom-toms and bass drums.The Coated Ambassador® heads are medium-weight heads made with a coated single-ply 10-mil Mylar® film to produce a warm open, bright, and resonant sound with a warm attack. Coated Ambassador® heads are the standard of the industry for both live and recording situations.