For the iPhone users who love listening to music, iPhone built in speaker volume is not enough in most of the time, if you need more louder effect, you have to buy a blue tooth speaker or sound box base. Like the OVO does.
There is a marble iPhone audio amplifier called OVO designed by Milan May Day studio, produced by Monitillo Marmi company.
The modeling of it is peculiar, overall modeling is a smooth cylinder, the bottom adopts plane cutting which is good for stand. The position of the slot equipped with a sound hole. Seemingly simple, but the design and production process are not simple. First the material is Tuscany Carrara white marble, and the internal of the amplification hole adopts a lot of mathematical formula, on the one hand, ensure that the voice to enlarge, on the other hand also need to ensure tone quality on minimal losses.
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