Pioneer TS-A878 - 3½" Custom-Fit 2-Way Speaker

Highlights Not all speaker cutouts are standard sizes, and as the world leader in car speakers, we build speakers for those "different" cutouts. These models were designed for various Japanese, American, and European vehicles and they fit them perfectly. One thing that's not "different" about these? Like all Pioneer speakers, they all reproduce music exceptionally well. Specifications Size: 3-1/2" Max. Music Power (Nominal): 60 W (15W) Cone Material: IMPP Frequency Response: 60 Hz to 28 kHz Sensitivity (1 W/1 m): 88 dB Impedance: 4 Ω Mounting Depth: 1-3/8" Cut-Out Dimensions: 3"