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Mobile Satellite Radio Buying Guide

A comprehensive guide that will give you all the information you need on how to buy mobile satellite radios.

Getting Started

Satellite radio has become increasingly popular since its launch in the consumer market in 2001. For those who don't know what satellite radio is, it's time to turn off your home radio and your car stereo and step into, what feels like, the future.


mono car amplifier is designed for low-frequency reproduction and features built-in bass boost and low-pass filters. The best choice would be a class D mono amplifier, because they produce less heat, draw less current, and are more efficient unlike conventional amplifier designs.

two-channel car amplifier is used for full-range and or component speaker systems. When using these types of amplifiers, they must have high-pass filters.

Five and six - channel amplifiers can be used for vehicle speakers located in the front, rear, and or the subwoofer of the whole system.

Multi-channel amplifiers can be used for full-range speakers and or subwoofers. When purchasing an amplifier, you should consider the level of power you want the unit to have.

There are two types of power ratings: Root mean square power (RMS) and peak power.

  • RMS power measures the amount of continuous power a car amplifier uses to deliver the power to your speakers. Make sure that the power of your amplifier matches the power of your speakers and subwoofer. If the RMS power of your amplifier is too powerful it can damage your speakers.

  • Peak power is always higher then RMS power. Peak power indicates how many watts a car amplifier has available for short and sudden increases in sound.


Satellite radio allows listeners to enjoy hundreds of radio channels provided by, you guessed it, satellites. News, sports, entertainment, talk-radio, and music are all brought to you in crystal-clear, commercial-free audio. Until recently, satellite radio had been dominated by two separate satellite radio providers- XM Satellite Radio and Sirius Satellite Radio. In 2007, a merger between the two companies was approved by their respective shareholders. In late 2008, the FCC approved the merger, and now Sirius XM Radio, Inc., is the holding company for the two satellite services. 

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