Dynamat 10415 Xtreme Speaker Kit Car Amplifiers dimensions: 4-1/2"W x 4-1/4"H x

dimensions: 4-1/2"W x 4-1/4"H x 2-15/16"D

5 kg *Frontal grille protrusion measured from mounting surface

200 watts RMS x 4 bridged at 4 ohms

0 mm Reference Efficiency (no)   Efficiency (1 W / 1 m)** 85

Rubber surround

Dynamat 10415 Xtreme Speaker Kit Car Amplifiers dimensions: 4-1/2"W x 4-1/4"H xAbout the Dynamat 10415 Xtreme Speaker Kit A Dynamat Speaker Kit transforms the flimsy sheet metal in your car door into a solid, non resonant baffle. You'll enjoy improved mid bass performance with less distortion. High performance Dynamat Xtreme is a patented, lightweight elastomeric butyl and aluminum constrained layer vibrational damper. It's lighter than Dynamat Original, requires no heat to apply, and is coated with aluminum for high temperature