QEX19 Quadpod Self-Amplified Sound Exciter

Plug in your MP3 player, iPod, or iPhone and the Dayton Audio QEX19 Self-Amplified Sound Exciter turns virtually any solid object into a speaker by vibrating it at speeds of up to 20,000 cycles per second. Built-in amplifier allows you to put sound virtually anywhere! Now that's something to get Excited about! The vibrations modulate the air, which is then decoded by the brain as sound. Turn virtually any surface into a speaker. Mount the Quadpod to a box to make a quick on the go speaker system. Mount it to the back of your Science fair project board to bring your science fair project to life. Imagine your baking soda volcano backed up by real volcano eruption sound effects, or have soothing backup music playing while you give your science fair hypothesis narrative. Hundreds of cool uses! Each stick-on Self-Amplified Sound Exciter is designed for a wide frequency response and great sensitivity. Strong 3M adhesive pads affix to nearly any solid surface for secure, long-lasting playback. Package includes one Dayton Audio Quadpod, 2 X AAA batteries, and an attached 75 cm (29.5 inches) 3.5 mm male stereo audio cable for plugging into your MP3/iPod unit.