This round vumeter has a beautiful yellow backlight, ideal for use with an amplifier from 3W to 50W. A controller is already present at the rear, allowing simple wiring. The backlight is powered by AC or DC 6-12V and the meter connects directly to the amplifier outputs. The high sensitivity of this meter ensures a high accuracy of the display on a logarithmic curve. It will also bring an exceptional vintage look to your amplifier.