Introduction
If your Vizio SmartCast Crave 360 (model SP50-DP) is making a muffled, fuzzy, or crackling sound, follow this guide to replace the bass component. A bass woofer producers the lower frequencies of music and sounds. A weak or broken bass woofer will create an unpleasant buzzing and scratching noise.
Before beginning, remove the Crave 360 from its charging base and turn off the device.
Tools
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            Orient the speaker so that the bottom faces up. 
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            Peel the rubber ring off of the bottom using the spudger. 
 
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            Remove the eight 5 mm screws connecting the bottom panel to the gray power port using a Phillips #000 screwdriver. 
 
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            Remove the four 10 mm screws with that connect the bass to the rest of the speaker using a Phillips #000 screwdriver. 
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            Take the bass component out of the speaker. 
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            Disconnect the wiring that runs into the bass component. 
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            The bass is now removed. 
 
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To reassemble your device, follow these instructions in reverse order.