CSN EN IEC 63034

CSN EN IEC 63034 This document specifies the characteristics of microspeakers as well as the relevant test methods on microspeakers using steady-state sinusoidal signals, sinusoidal chirp, multi-tone or noise. The main characteristics include, but are not limited to, impedance, displacement, amplitude frequency response, distortion, and power handling.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.