Alpine RS-W10D4 Marine Audio Accessories Polypropylene (PP) is a tough

Polypropylene (PP) is a tough thermoplastic resin that is an ideal material for a speaker cone due to its low mass and high damping properties

60 Ohms Le (mH) 4

installs with no cutting or modification of factory wires

(2) SPV-65X-WRA Component speaker sets each containing:

Alpine RS-W10D4 Marine Audio Accessories Polypropylene (PP) is a toughAbout the Alpine RS W10D4 Shallow mount upgrade Alpine's R Series subwoofers are known for their high power handling and tight response. The new RS W10D4 shallow mount sub delivers the same quality in a speaker that'll fit where other subs won't. Small size, big impact Built around a solid, cast aluminum frame, this shallow sub requires a mounting depth of only 3. 25 inches. Yet the RS W10D4's cone excursion is the same as a regular R Series sub, so