Coated Emperor heads are warmer and more durable than Clear Emperors. They're made with two free-floating plies of 7-mil Mylar film, which gives consistent open warm tones which accounts for their popularity among many of today's Studio, Pop, R&B and Rock drummers. 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.