Super Ear

Consists of a microphone in a dish with an amplifier and a headphone jack. A small speaker is attached to a stethoscope for listening.

Demonstrate electronic amplification of sound.

• 'Super ear' and headphones
• 9V battery

Pick up sounds from across the room with this super ear! Just put on the headset,point, and press the trigger to listen. Sound is amplified and a whisper can be heard from across the room