As a segment, Car Audio or Car Stereo advertisements (along with its slogans) have never been super creative. In fact, barring the very few big names, ads are below average, be it the production value, creativity, visualization etc.
Some of the memorable Car Audio slogans:
Aisin Car Radio System Manufacturers
Advertising tagline: Geared up for the future
Blaupunkt trademark, car radio, audio systems
Ad slogan: Blaupunkt. The advantage in your car.
Kenwood brand, electronics, including automotive stereo equipment
Advertising slogan: Kenwood. Listen to the Future.
Rockford Fosgate, car audio brand
Motto: Rockford Fosgate. Car audio for fanatics.
Volfenhag, car audio subwoofers, amplifiers, speakers, head units
Marketing slogan: Volfenhag. A German Concept.
Kicker car stereo products
Advertising slogan: Kicker. Fuel for Livin’ Loud! Link
Infinity Audio
Ad slogan/punchline: It’s that loud
Sony Xplod Car Audio System
Ad slogan: Explosive sound
Vinverth
Advert slogan: Happy Music Drive
Acura Advance Car Audio System
Advertising/marketing catchline: Our speakers can create an interesting sound. Silence.
Panasonic Car Audio
Ad slogans: Play it loud. Panasonic Car System. 50watts x 4 with Mos-Fet high power amplifier.
Pioneer Car Audio
Commercial tagline: The jolting power of Pioneer Subwoofers
Pioneer Car Audio Systems Commercial with Shahid Kapur (Indian ad)
Infinity Car Audio/Stereo Commercial