The stereo beeps each time the knob is turned, and it takes a second or so for each tag to show up, resulting in a significant amount of lost time when searching through long lists. When you have selected the album you want to hear, the stereo displays all the tracks in that album in a similar way. Having selected their desired track, drivers have to wait for another couple of seconds while the system prepares to play it. Sony could make this system better by having a more instant response to inputs, and by allowing drivers to listen to the current track while making their selections.
The unique feature of the MEX-DV2000 is its karaoke function, which (in theory) enables car occupants to attach an external microphone to the system and sing along with their favorite tunes. The karaoke function can be activated only with the car stationary and only then with certain Red Book CDs. With a compatible disc inserted, drivers press the microphone button on the stereo's faceplate to select one of two karaoke modes: Mic on, which actives the microphone and echo effects; and Mic on+VC, which activates the microphone but turns off the vocal effects of the original track to give in-car divas free reign over their tracks.
The problem that we found with the MEX-DV2000's karaoke function was that it didn't work. Despite trying multiple discs and two different microphones we were still unable to make ourselves heard through the car speakers. We called Sony tech support to see if they could help, but their advice only ran to ensuring that all the cables were correctly plugged in, and resetting the system, both of which we had already tried. While it would have been nice to get the karaoke function working on the MEX-DV2000, the requirement that the car's parking brake be engaged for the system to be used means that, unless you are interested in belting out your favorite anthems either before you set out or after you have arrived at your destination, the feature is of questionable value.
The MEX-DV2000 has a number of features that differentiate it from much of the single-DIN car stereo competition. Some of its capabilities, such as its Dolby ProLogic II processing and support for DVD video playback are very useful; its SACD support is nice to have, but it will appeal to a smaller customer segment; while its karaoke function is little more than a gimmick--even if users can get it to work.