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i-杰里的表面振动扬声器 - FeelGift



i-Jerry is a magic audio frequency fixture. It’s quite different from traditional speakers which are based on electro-magnetic coils. The way it works is by making any hard surface such as wood, glass, floor, and metal play euphonious musical notes. Experiment with various materials around you, which have different music quality, and you’ll lose yourself in the freedom of music.

This new sound principle will introduce you to a new musical lifestyle. The size and shape of the i-Jerry are as original as you are. The audio quality will maintain the same level no matter what. Equipped with a 3.5mm audio jack, simply connect it to your iPod, laptop, or any other 3.5mm compatible audio sources that you have!

How does it work? Well, it uses a small piece of material called Terfenol-D, originally used by the US Navy for sonar work. The Terfenol-D is placed within an aluminum case and a coil is wrapped around it. When electricity is passed through the coil the Terfenol-D expands slightly creating a force of 450 pounds. When it’s placed on a flat surface it transmits electronic signals into mechanical energy causing the flat surface to vibrate and broadcasts the sound.

Input: 100-240V
7.5cm (W) x 12.5cm (H)
Output: 12V
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