All Car audio

The Bottom Line: The Kenwood KDC X890 is a capable head unit that supports a broad range of audio formats. Voice indexing helps counteract awkward manual file selection, although the system's claims that it measures car performance are dubious.

Specs: Radio / CD / MP3 player, Radio tuner, CD / MP3 player, USB, Audio line-in, Subwoofer output, Rear channel output, Front channel output

The Bottom Line: The world's smallest plug-and-play XM satellite radio may be the most affordable route to satellite radio at home.

Specs: XM radio tuner, XM antenna, Audio line-out

The Bottom Line: Blaupunkt's Monterrey MP35 is an affordable MP3/CD player with a couple of cool features, but you don't get a lot of extras with this entry-level head unit.

Specs: Radio / CD / MP3 player, Radio tuner, CD / MP3 player, Audio line-out, Subwoofer output, Audio line-in

Editors' Take: The Kenwood Here2Everywhere boasts a larger display than most competing plug-and-play Sirius receivers.

Specs: Sirius satellite radio tuner, None

Editors' Take: The Xact XTR3 is a basic plug-and-play Sirius satellite radio with a unique, car-friendly design.

Specs: Sirius satellite radio tuner, Audio line-out

Editors' Take: The Xact XTR2 satellite radio is a basic plug-and-play Sirius satellite radio receiver.

Specs: Sirius satellite radio tuner, Audio line-out, Headphones

Editors' Take: The Starmate Replay ST2 is a plug-and-play Sirius satellite radio with a 44-minute rewind buffer.

Specs: Sirius satellite radio tuner, DC power input, Audio line-out, Antenna

The Bottom Line: Harman Kardon's Drive + Play does a nice job of integrating your iPod with your car audio system, but we suggest having it installed professionally to get the best possible sound.

Specs: 3.5 Audio input, Dock connector, Automobile cigarette lighter, Aux input

The Bottom Line: Sony's CDX-F7715X is a versatile CD/MP3 player, but its lack of a front input makes hooking in an MP3 player difficult.

Specs: Radio / CD / MP3 player, Radio tuner, CD / MP3 player, Front channel output, Rear channel output, Subwoofer output, Audio line-in, System components control bus, Remote control

The Bottom Line: A few minor issues aside, this player performs very well.

Specs: Radio / CD player, Radio tuner, CD player, Front channel output, Rear channel output, Front speakers output, Rear speakers output, DC power input, Antenna, System components control bus, Audio line-in