For users who spend much time listening to broadcast stations that offer HD Radio, the Alpine TUA-T550HD's increased sound quality and functionality make it a worthwhile addition to an Ai-Net compatible Alpine receiver.
The Alpine Blackbird is a feature-rich vehicle GPS system and entertainment device all rolled into one sharp-looking package, but it hits a couple of roadblocks with its short battery life and sluggish route calculation.
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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.
The Alpine CDE-124SXM is a great value for those who want to upgrade their car stereo with USB/iPod connectivity while adding very good SiriusXM connectivity.
The Alpine INA-W900 is a solid choice for most users' in-car entertainment and navigation needs, but it will require a few upgrades to match our current favorite in functionality.
The Alpine CDE-102 is an excellent OEM replacement stereo, but serious audiophiles and system builders should look further up the product lineup.
The Alpine iXA-W404 shows plenty of promise, but we'll wait to see if the touch-screen interface improves with the next generation.
For people who listen primarily to MP3/WMA/AAC audio, the Alpine iDA-X305 offers one of the easiest-to-use interfaces for in-car browsing of digital media.
The Alpine CDE-9874 is a good value entry-level car stereo, perfect for those looking to play homemade MP3 discs or iPod tracks. Audiophiles might want to look a bit higher up Alpine's lineup.