electronic transformer: 1.customized specifications 2.durable,low losses and noise 3.low price,better quality 4.ISO&CE electronic transformer :specification: 25VPrimary:2w,1w,0.5w,0.25wSecondary: C,8Ωused for audio amplifiercustomized welcomed,please feel free to contact us.secondary:primary:lead wire: customized electronic transformer for audio amplifier