03-05 MERCEDES W211 E500 E320 E350 DOOR SPEAKERS HARMAN KARDON LOGIC 7 SET OEM | eBay
HarmanKardon - What goes into the Harman Kardon LOGIC 7 ® sound system with Dolby Digital 5.1 for the Mercedes-Benz SL Class? Check out the specs: 14 high-performance loudspeakers with optimum position
PERFECT YOUR BMW STEREO SETTINGS | Best Harmon Kardon / Logic 7 EQ Settings - YouTube
BE7021 BE9061 - Mercedes Benz Amplifier W221 | opuradio
How to identify if a Discovery 3 has Logic 7? : r/LandRoverDiscovery
08-13 BMW E93 335 Coupe Audio Sound Speakers set Logic 7 L7 Harman Kardon | eBay