Radio Upgrade H3 Hummer
How to upgrade the H3 Hummer radio and sound system to be more than adequate is incredibly easy. First, the vehicle needs to have Android Auto or Apple CarPlay. This way the head unit has hands-free access to phone calls, turn-by-turn directions, and more importantly the music or podcasts on the phone. Be it YouTube Music, Spotify, Apple Music, or any of the many other services available. Second, there is a necessary adapter that Crutchfield sells for both the subwoofer equipped H3 Hummer or the H3 Hummer without the subwoofer. To know if the Hummer has a subwoofer, open up Continue Reading → Radio Upgrade H3 Hummer