0ur opinion: :The sleek Sportster4 includes SlRlUS Replay, advanced sports features, a large, easy-to-read display, rotary tuning knob and moves easily between your car, home or boombox with universal docking capability.
:Get in the game with the plug-and-play Sirius Sportster 4 satellite radio receiver, which sports a new slim profile while still maintaining the same great features for which the Sportster series is known. Just like other Sirius-compatible receivers, the Sportster 4 offers a large, easy-to-read display, a rotary tuning knob, and accessible buttons, but now moves seamlessly into your car, home, or boombox. More significantly, the Sportster 4 maximizes the listening experience of Sirius radio's broad sports lineup, with the ability to decode the incoming Sirius digital-quality signal from more than 120 music, news, and sports channels. lt's also easily transportable, and thanks to the bundled car kit, lets you listen to your favorite satellite radio programs while driving.
An easy-to-read, six-line display tells you the channel name and number, category, artist name, song title, and time simultaneously. The receiver also lets you program up to 30 presets of your favorite streams, as well as search by stream, artist name, song title, or category. And with a quick press of the 0ne-Touch Jump button, you can instantly switch between the traffic and weather reports for your city or any of the other music, news, or entertainment channels. 0ther programming details include an S-Seek function that stores your favorite artists and songs and alerts you when one is playing on any of the music channels, direct station tuning via the numeric buttons, and a channel lock option. Time functions, meanwhile, include an onscreen clock, alarm, and sleep timer, as well as a program alert that allows the unit to switch to a preprogrammed stream at a selected time.
The Sportster 4 really earns its stripes, however, with its variety of enhanced features designed specifically for sports lovers. The Game Alert feature prompts you when your favorite NFL or other sports teams are playing on Sirius. The Game Zone lists all of your favorite teams in one virtual category and lets you select a different team from each of the various sports leagues, including the NFL, NBA, NHL, and college sports. And what sports fan could do without the Sportster's instant replay function, which lets you pause, rewind, and replay 44 minutes of live radio? As soon as you tune to a channel, the receiver automatically begins storing the audio for later playback.
The Sportster 4 also includes a built-in FM transmitter that sends Sirius radio programming to your vehicle's FM tuner, so you don't have to make a direct connection to enjoy the full array of channels. Simply set an empty FM frequency on your radio and tune the Sportster 4 to the same frequency. This function also works with other FM tuners, such as the one on your home stereo, but is easily paired with the car thanks to the bundled vehicle kit, which includes everything you need for listening to Sirius while driving. Components include a vehicle docking station, a suction cup mount, a vent mount, a DC power supply that plugs into your car's cigarette lighter, a roof-mount antenna, and mounting hardware.
Sirius satellite radio is a subscription service that provides more than 120 channels of programming, from digital-quality music to news, talk, and sports. lt is available only in the lower 48 states--not in Alaska, Hawaii, or U.S. territories. The Sportster 4, which measures 4.5 by 2.9 by 0.6 inches (W x H x D), is backed by a one-year warranty.
What's in the Box Sportster 4 satellite radio receiver, wireless remote control, lithium battery, vehicle docking station, roof-mount antenna, suction cup mount, vent mount, cigarette lighter power adapter, mounting hardware, installation guide, Sirius channel information card, user's manual.
Testimonials
Average Buyer Rating:

Buyer's feedback: 
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* Everything in one package, nice price ...
My dad wanted this for Christmas and I saw the older models being sold in like new condition on a few sites, but they were only about $20 cheaper than getting this new slimmer version. Because it came with the car kit and had absolutely everything he needed (no nickel and diming with more parts to get), so my dad was blaring the satellite radio the very day it arrived. He has used it everyday since Christmas 2006, so as a gift it was worth every penny. The slim receiver is less obtrusive than the older versions so the small difference in price was a no-brainer. A+ if you want satellite radio, this is a great all-in-one package to get started "fast and easy."
Buyer's feedback: 
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do your hw
i have this radio and the number one thing is do your hw, everyone complained about the fm transmitter, just know that you have to use aux or an fm modulator and your all set.
Buyer's feedback: 
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* Wireless FM Reception Non-existent ...
Whe they say in the description, "includes a built-in FM transmitter that sends Sirius radio programming to your vehicle's FM tuner, so you don't have to make a direct connection to enjoy the full array of channels." This is not true. You must attached the included wire (FM EXTENDER) to your windshield to help broadcast the FM signal to your antenna. Then you will get a signal so weak, that at times, it is un-listenable. They also say, "This function also works with other FM tuners, such as the one on your home stereo," Not True! there is no signal to speak of without the FM extender (antenna) wire that comes with the car kit.
If you want to use this with your radio you must BUY an additional adapter for $20+ to wire the unit to your cars anntenna system directly or hook the unit up directly to your Audio inputs.
This should not be advertised as wireless FM it takes wires hooked to the unit and run through your vehicle. Either the FM extender (A broadcast antenna) included, or adition products to purchase.
Buyer's feedback: 
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Starmate 4 is good for multiple locations.
I owned the Starmate 2, but needed easy transfer from home,office and vehicle. The Starmate had 3 plugs on the end and that was the drawback.
I have the Sportster 4 hardwired at office and car with a CCrane (modified) FM transmitter at home. The Sportster 4 has all the features I wanted and the antennas I had for the previous Starmate are copmpatible for the newer unit. It has a good display and features. I recommend the radio if you are willing to hardwire it or provide enhanced transmission, The FM transmission throughout the home is easy and incurs additional costs of about $90. and some time looking and hooking it up. Thanks D.
Buyer's feedback: 
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* For those of you Complaining about FM Antenna that comes with package ...
For those of you complaining about the FM signal booster that comes with the Sirius Radio... Just thought I'd let you know that before the FCC started regulating the wattage for the booster, Audiovox made a 3 watt FM booster that works wonders in all markets. It's powerful enough to block out any FM interference when using your unit with the built in FM transmitter, and the signal carries over to create interference on your other stations. (Meaning if you were to go back to an FM station that you normally listen to, you will hear some static from this 3 watt signal booster)
Just thought I'd let you all know that.