The invention discloses a telephone receiver acoustic testing device and a telephone receiver acoustic testing system. The device comprises a driving device and an output device, the driving device comprises a bracket, a guide rail, a pressing component and a testing adjustment device, the guide rail is installed on the bracket, the pressing component used for inputting testing signals is fixed tothe guide rail, and the pressing component adjusts the abut joint position with a tested telephone receiver via the testing adjustment device; the output device comprises a testing seat, a locating cavity and a coupling cavity are formed in the testing seat, and a sealing ring is arranged between the locating cavity and the coupling cavity of the tested telephone receiver. The telephone receiveracoustic testing device and system can achieve automatic acoustic testing, the testing efficiency is higher, the test result is more accurate, and the product yield is improved.