DESC: The Best Alternative to Parking Your Car in Your Living Room! Your XM Radio gives you access to the best in satellite radio entertainment. But does the fun have to stop as soon as you leave your car? The Altec Lansing XM3020 combines Altec Lansing's big sound with the convenience of an integrated dock for your XM2go receiver. It's simple. Just place your XM2go receiver into the XM3020 cradle and play on.