Audac WP225US/B Universal Wall Panel Microphone, Line And Bluetooth Receiver (Black) - 80 x 80mmThe WP225 is a remote wall mixer that can be used in combination with various AUDAC hardware (ARES5A, MTX series, AMP523 and more). It converts the signal coming from a stereo line level audio source (such as a tuner, mobile devices, ) or balanced microphone to the level corresponding to the differential signal input making it possible to transfer high quality audio over long distances between the wall panel and the loudspeaker, by just using