100v audio transformers: 1.customized specifications 2.low losses and noise 3.reasonable price 4.ISO&CE certificate 100v audio transformers :the sample's specification: 25Vprimary:10w,5w,2.5w,1.25w,0.625wsecondary: 0Ω,4Ω,8Ωcustomized welcomed,plesse feel free to contact us with your specifications. OEM high quality 100v audio transformers