1.   Application Make a list of musical instruments that use a box to amplify their sound.

2.   Other spots are characterized by their ability to modify or amplify sound, even to the point of acoustical saturation.

3.   This landscape seemed to trap and amplify sounds.

4.   A conventional hearing aid amplifies sounds from the environment, making quiet sounds more audible.

5.   A pair of large resonating air sacs in the abdomen amplifies the sound.

6.   But monitoring the progress of surgery with probes that actually reproduce and amplify the sounds of brain cells firing makes that determination more precise.

7.   Enron has radio headsets that amplify sound for hearing-impaired fans and a full-time stenographer to transcribe announcements for a closed-caption display system.

8.   Hearing aids amplify sounds, but they provide little information about where the sounds are coming from.

9.   Hearing aids basically amplify sound, Chang explains.

10.   It amplified sounds so intensely that even a mouse inside the walls could be heard, and gave her a headache.