Mobile and Marine Audio and Accessories

Mobile FX is the leader in mobile and marine audio accessories in the Black Hills. We carry full mobile audio systems including car speakers, amps, dash kits, and digital sound processors from top brands like Sony, Alpine, Hertz, Audison, Phoenix Gold, Kenwood, Memphis and more. Whether you're looking for just a little extra oomph or a top quality sound system, we can help you find what you need, within your budget. 

When winter rolls around we're here to keep you and your family warm with remote starts and heated seats. Remote starts can be installed in almost any vehicle, automatic or manual. 

After the days warm up and it's time to hit the water, we have you covered with marine audio and accessories from WetSounds. Let us help you bring your party to the beach with boat speakers, subs and amps, wake towers, and more. 

Book your appointment today

Our Services

- Car Audio

- Remote Starts

- Heated Seats

- Mobile Accessories

- Marine Audio

- Home Audio

- Aftermarket Accessories


Mon - Fri: 9am - 5:30pm

Sat: 9am - 4pm

Contact Us

1625 Cambell St Ste 4

Rapid City, SD 57701

(605) 716-0770

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