The following cars represent the most technically advanced available.
British electronics maker Damson unveils two Bluetooth speakers at CES 2014, the Jetstream Midi and Large, which have the power to adjust their audio based on their surroundings.
Crave writer Amanda Kooser puts the TronicalTune automatic guitar tuner through its paces, from installation to rocking out.
Or at least a competent guitar player, thanks to interactive lessons and games. This MIDI-friendly fretboard works with iPads and other iDevices.
The Acoustic Stream on Kickstarter is a recorder, wireless amp connector, tuner, and humidity and temperature sensor all wrapped up in one gadget.
CNET News.com's Michael Kanellos takes a look at a guitar that can tune itself, saving time and making it possible for musicians to carry only one guitar instead of several. After selecting a key, a computer embedded in the back of the guitar takes over from there and automatically tunes the strings.
Tune quickly, play more: That's the philosophy behind this smartphone-connected guitar tuner that actually turns the pegs for you.
Decked out with bullet casings and a mock grenade, this axe will tell zombies you mean business. Just don't forget the chords to "Monster Mash."
Mercedes-Benz takes a big step forward with its 2014 S550 flagship sedan, improving just about every feature in this model update, but app integration suffers from slow connection times.
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Gibson has just released a self-tuning guitar, but a $100 tuner is probably a better investment.