Acoustic Gramophone Speaker, Mobile Gramophone Speaker, iPhone Gramophone Speaker, Gramophone Horn Acoustic Amplifier, iPhone Dock Amplifier

This acoustic speaker for your iPhone utilizes a reproduction gramophone horn similar to the ones from the 1920s and is mounted to a Black Metal Base. They require no batteries, cords, electronics, or power source. They are completely acoustic and works fantastically. Dimensions : 11 inch x 8.5 inch x 17 inchWeight: 1500gPlace your iPhone/mobile phone in the slot and enjoy tunes of yesterday or today with an amazing vintage sound or any modern-day music. It's one of the Great conversation pieces.These work on the same principle as a megaphone. With a megaphone, you speak into the small end and it is amplified out through the large end. Ninety years ago this gramophone horn amplified a small driver "speaker" that was below it. Today, this same horn amplifies the small speaker that is built into the iPhone in the same way.This works with all versions of the iPhone 4, 5, 6, 7, 8, and X including the plus sizes. And also works on all major mobile phones and Android phones too.