Instructables

Boost Volume With Paper Cups

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When you want to share your music with friends headphones just aren't loud enough. Fix that with cups to boost volume!
 
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Step 1: Materials

Below is a list of materials.

Step 2: Trace

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First you will need the cups, pen, and a speaker. Take the speaker and place it on the cup as desired and trace around it.

Step 3: Poke guide holes

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Now you will need to poke some guide holes on the edge of your circle with your tack. (this step will make it a lot easier to cut)

Step 5: Check your work

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Make sure that the hole is not two big and not two small.

Step 7: Glue

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Glue in the speaker to the cup.

Step 8: Repeat steps 1-7

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Make a second one.

Step 9: Done

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You are done music should be much louder to share with friends
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