The model M4260 is a cost-effective class 2 measurement microphone for general sound level testing, commissioning and service of audio-acoustic installations. The plug-on measurement microphones M4260 or M2210 form together with the XL2 a comprehensive sound level meter and acoustic analyzer. The microphones are 48 VDC phantom powe¬red and include an electronic data sheet. The measurement microphones M4260 and M2210 can be con¬nected with the ASD Cable to the XL2 Audio and Acoustic Analy¬zer for measurements at remote locations or reducing acoustical reflections. The ASD Cable includes a separate line for transmit¬ting the electronic data sheet to the XL2, thus not affecting the measurement data.