With all of the features we want and none of the duplicates, Pioneer's AVH-4100NEX is the simplest, most cost-effective option for drivers who just want to add Android Auto or Apple CarPlay to their ride.
The Aukey Portable Bluetooth Receiver comes with more features than many similar products and a clever means of remotely controlling playback from your phone, but it will involve running wires to a power outlet and an auxiliary input in a car.
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While the Play-Fi standard offers plenty of potential, the Phorus PR1 is currently too limited in its scope and performance to warrant buying over a Sonos.
Pioneer's flagship AVIC 8000NEX boasts dozens of media and navigation options -- including the first aftermarket appearance of Apple CarPlay -- but most users will find a better feature-to-cost balance lower in the brand's NEX lineup.
The flagship AVIC-8100NEX isn't just the top of Pioneer's line, it's one of the best, most fully featured receivers on the market. Just make sure you're not buying more functionality than you really need.
The GoGroove BlueGate is a good option if you want to add Bluetooth audio streaming to a car or home audio system, but portable-headphone users will want to look for a more flexible unit.
The Belkin Bluetooth Music Receiver is a cheap and easy way to add wireless audio streaming to any powered speaker system or audio component with a spare input.
The Sony MEX-GS600BT's App Remote function is not very useful without a dashboard mount for your phone, but everything else about this full-featured car stereo makes it easily recommendable.
Denon announced its 2013 line of AV receiver, focusing on improving ease-of-use with new push-in speaker jacks and a guided setup assistant.
The Alpine CDE-141 won't blow you away with bells and whistles, but this entry-level car stereo gets the basics right at a competitive price.