T-681/ T-682/ T-683/ T-684/ T-685 Volume Control Datasheet Manual Firmware FeatureModelT-681T-682T-683T-684T-685Rated Power6W15W30W60W100WLine Input100VAttenuation Per Step3dBTotal Attenuation33dBAttenuation Positions10 plus offMaterialPCFinished ColorWhiteMountingFlush and Surface