V.U.METER 6 LED Electronic Assembled Circuit : FA101 This is super V.U. circuit that is specially designed for connecting directly with speaker without power supply. It can be applied as other stardard V.U. but lower cost. Its LEDs will display one by one according to signal volume, and not all splashing as other cheaper circuit. Easy application and durable and can be applied with 10 - 30 Watt amplier. Recommended housing : FB12 PCB dimensions : 2.0" X 1.0"