Alpine 6"X9" 3-Way Coaxial Speaker (J Series) Feeler Gauges Kit contains four 305mm x

Kit contains four 305mm x 914mm pieces of Dynamat Xtreme to reduce road noise so you Hear More Music

The new Signature Series sports style subwoofers are the world’s first marine subwoofers to incorporate CRGBW LED lighting for enhanced ambience

Cable clips (12EA)

with reverse camera retention

Alpine 6"X9" 3-Way Coaxial Speaker (J Series) Feeler Gauges Kit contains four 305mm xThe entry level Type J speaker series are an affordable way to upgrade your factory speakers or even to start building a sound system, for the excellent sound quality and performance you expect from Alpine. Built to handle all bass levels down to the lowest, their high efficiency means that you enjoy powerful bass sounds without distortion. Better Bass and Treble Response Both the 6" and the 6" x 9" speakers feature 30Hz to 30kHz frequency response.