DESC: The Pioneer universal speaker series is the widest range of speakers in the industry, designed for convenient installation in all types of car. Available in 5 separate series to meet different sonic preferences and budgets, each offers an exceptional combination of high technology, quality and high value for money. ??These speakers deliver 120-Watts Maximum Music Power (40 Watts Nominal). They feature 3/4" Styrene Rubber Coated Polyester Soft Dome Diaphragm, Poly-Imide Voice Coil Bobbin, Heat Resistant Round Mesh Grill and Voice Coil with Magnetic Fluid. The speakers also feature improved 2-Way Surface Mounting with New Twist-Type Mounting Plate and Double-Faced Adhesive Tape.