Here is a smart speaker system with LEDs to visualize your music. The Light-Up EQ Bluetooth Tower has two speakers and 10 layers of illumination. Devices can also be connected via a 3.5mm aux cable. The device has buttons on the front and back for changing the pattern or colors.
More gadgets like this: here
Light-Up EQ Bluetooth Speaker from ThinkGeek
ThinkGeek has this for $49.99 at this time.
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