Question: How can I make a home amplifier cheaply for my I phone music?

  Options: 
 A. Cut a slit large enough for the phone to fit into in a paper towel tube, On each end of the tube place a plastic disposable cup (cut a hole just big enough for the tube to fit into), this will make your music loud and hold the phone in place.
 B. Cut a slit large enough for the phone to fit into in a paper towel , On each end of the towel place a plastic disposable cup (cut a hole just big enough for the tube to fit into), this will make your music loud and hold the phone in place.
Answer: A