Alpine RS-W10D4 Vehicle Specific Frequency Response: +0/-3 dB (1W

Frequency Response: +0/-3 dB (1W into 4Ω): 10 Hz - 30 kHz

lets you address specific frequencies that may need to be lowered or boosted for a balanced frequency response

The receiver and amp together make a feature-filled and powerful sound system that you'll enjoy for many miles

designed to fit your Harley's hardshell bags

2-3/4" - Midrange

Alpine RS-W10D4 Vehicle Specific Frequency Response: +0/-3 dB (1WAbout 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