DollaTek Magic Eye 6E2 EM87 Tube Preamp Audio Level Indicator VU Meter, Music Spectrum

Magic Eye can be used as an audio level indicator or a VU meter. You can see the tube light dancing with your audio signal. You can use it seperately or combine it with your devices, which is very useful and beautiful. The circuit of Magic Eye has been redesigned overall. Compared with similar products, it has much less heating, very lower power consumption and smaller size. It adopts SMT technology, which decrease the height of all circuit components. Optimized layout makes its wiring is more simple. It has bulit-in secondary signal amplification with higher sensitivity. Its amplitude can also be adjusted on the board. It has bulit-in voltage boost circuit and can be driven by DC 5V~7V (USB 5V is also supported). Please do not touch the board while working.