4. My * transmits sound, and makes sound louder.

Five clues about my sound object.

1. Most equipment wouldn't work without it.

2. It makes sounds stronger and louder.

3. It can make sound be heard from a long distance.

4. It transmits sound.

5. It's used in equipment made to pass on sound.

5. The * detects sound by amplifying noises and sounds.

Five clues about my sound object.

1. This device amplifies sound.

2. There are two types of this device, called air-conduction and done-conduction aids.

3. The air-conduction aid amplifies sound.

4. The done-conduction aid stops the vibration made by a sound and finishes the sound.

5. Some people wear this device on a specific part of their body.

6. A * transmits sound.

Five clues about my sound object.

1. My device brings sounds into millions of homes.

2. There are two ways of saying my device.

3. My device was invented in 1927.

4. My device brings lots of color and pictures.

5. My device has different buttons.