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Step 1
Determine the quality of your current system. You should choose a subwoofer that is comparable to your current stereo speakers. A top-notch system can sound terrible with a low-grade subwoofer.
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Step 2
Consider how you'll use the subwoofer. If you plan to use your subwoofer as a casual speaker inside your RV, you don't need one that's too big. However, if you would also like to turn up your stereo and listen to it when you're outside, you'll need a subwoofer that can meet that demand.
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Step 3
Ask about an amplifier. Some subwoofers come equipped with an amp already in the box. Other subwoofers require you to purchase an amp separately.
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Step 4
Listen to the sound of the subwoofer before you purchase it. There are two types of cones that are available in a subwoofer. Neither one is better than the other; it all depends on your preference. You should also make sure there is no distortion when you turn up the bass on the subwoofer. In a small space like an RV, a little distortion will be very noticeable.
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Step 5
Examine the price compared to the performance of the subwoofer. When you have a good idea of what you need, you'll be able to find a good deal on the subwoofer that best fits your RV. Expensive subwoofers don't always have a higher quality, so it's best to do your homework.
