Directed Electronics Satellite Radio Tuners

The Bottom Line: The intriguing Sirius Stiletto 100 is packed with useful radio and digital audio features, and it's easy and fun to use. However, some consumers may find the Stiletto too bulky, and battery life isn't stellar.

Specs: Sirius satellite radio tuner / network audio player / digital player, Stereo, 4.7 oz, 1 year warranty, LCD

The Bottom Line: Sirius's first dedicated home satellite radio, the Sirius SR-H550, looks and feels more substantial than those teensy plug-and-play tuners.

Specs: Sirius satellite radio tuner, Stereo, Remote control (Infrared), 14.8 in x 10.7 in x 2.7 in

The Bottom Line: The Sirius S50 is a compact and attractive satellite radio player, but users must learn to live within its limitations. It's best for car commuters who occasionally want a portable unit. If you want live satellite streaming on the go, you'll need the Delphi MyFi XM2Go or Pioneer's Airware XM2Go, which work with XM satellite radio.

Specs: Sirius satellite radio tuner / digital player, Black

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

Specs: Sirius satellite radio tuner, Audio line-out

Specs: Sirius satellite radio tuner / digital player, Stereo, 4.7 oz, 1 year warranty, LCD