We're big fans of Alpine's line of car audio receivers, particularly the mech-less media receivers like the iDA-X305 that we recently reviewed. These receivers have great interfaces and work extremely well with iPods and removable drives, but they don't really offer very many features out of the box. This is where Alpine's line of add-on modules comes in, such as the
The KCE-400BT is a hideaway black box that connects to your Alpine headunit via a high-speed, proprietary Ai-NET connection to add Bluetooth connectivity. Powered by Parrot--makers of the excellent sounding
Alpine has taken advantage of the addition of Bluetooth connectivity to a car stereo by also including support for the A2DP audio streaming protocol, effectively giving users a bonus audio source for connecting music phones and Bluetooth-enabled MP3 players.