Alpine RS-W10D4 Marine Audio Accessories and crossover for near-perfect sound

and crossover for near-perfect sound from premium sources

60 Ohms Le (mH) 4

The port for each driver wraps around two walls of the enclosure to produce the necessary low tuning frequency that ensures excellent extension and response smoothness

The control can be mounted under a dash panel and gives you a level range from 0 to -20 dB

Alpine RS-W10D4 Marine Audio Accessories and crossover for near-perfect soundAbout 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