ALPINE RS-W12D4 12-inch R-Series Shallow Subwoofer with Dual 4-Ohm Voice Coils Subwoofers The speaker requires no modification

The speaker requires no modification of the factory location and comes with new grille assemblies

Discrete surface mount technology

you can bridge both channels to create a high power 2-channel amp

Rohacell Composite Cone Material For Maximum Durability And Minimal Cone Distortion At Extremely High Listening LevelsSpecifications -Speaker Size - 6

Midrange Mounting Depth - 1

ALPINE RS-W12D4 12-inch R-Series Shallow Subwoofer with Dual 4-Ohm Voice Coils Subwoofers The speaker requires no modificationProduct Overview With an ultra shallow subwoofer design and powerful sound output, the R Series Shallow Subwoofers give you the best of both worlds in size and sound. Ultra Shallow Design For those looking to add powerful, hard hitting bass performance to their vehicle but lack the space to add a subwoofer, Alpines R Series Shallow Subwoofer delivers the same fun and loud sound youve come to expect, now in a shallow subwoofer thats designed to fit in