Introduction: How to Build Cell Phone Speaker Amplifier

This set of instructions will help those who need a cheap and easy way to boost sound volume on their smartphone.

Step 1: Step 1

Gather Materials

1. 2 styrofoam cups
2. 1 paper towel tube
3. Pen
4. Ruler
5. Scissors or exacto knife
6. Smartphone

Step 2: Step 2

Use ruler to find the center of paper towel tube and mark with Sharpie.

Step 3: Step 3

Trace base of smartphone (or side the speaker is located) around center point, parallel with tube.

Step 4: Step 4

Trace end of tube on lower side of each cup.

Step 5: Step 5

Cut out traced regions in cups.

Step 6: Step 6

Cut out traced region in tube leaving a half inch flap inside the traced region on each end.

Step 7: Step 7

Slide each cup onto either end of the tube laying the cups on their sides.

Step 8: Step 8

Choose song on smartphone (for easier access).

Step 9: Step 9

Place speaker end of smartphone into the tube slot.

Step 10: Step 10

Turn on music and enjoy your new speakers.