A bioelectrical impedance measurement apparatus is provided. A power signal and a frequency regulation for driving a measuring unit of the bioelectrical impedance measurement apparatus to perform bioelectrical impedance measurement are provided from a first sound channel output terminal and a second sound channel output terminal of a host device, and a bioelectrical impedance measurement result is received by a microphone input terminal of the host device.一種生物阻抗量測裝置。藉由主機裝置之第一聲道輸出端與第二聲道輸出端來提供驅動生物阻抗量測裝置之量測單元進行檢測所需之電源訊號與頻率調控訊號,並藉由主機裝置之麥克風輸入端接收檢測結果。100‧‧‧生物阻抗量測裝置102‧‧‧主機裝置104‧‧‧量測裝置T1、T2‧‧‧聲道輸出端TM‧‧‧麥克風輸入端V1‧‧‧交流電源訊號S1‧‧‧頻率調控訊號
