ECHThe FS40MS0410-H5.0 with Speakers RoHS is a miniature audio transducer manufactured by FUETECH. It works by converting vibration signals into audible sounds, and is usually used in multimedia applications such as cell phones, PDAs, and portable audio players. The part is constructed from a polymer polymer frame that is molded into a one-piece assembly, containing a rated impedance of 8 Ohms and a power rating of 0.48 watt max. It operates within a frequency range from 200 Hz to 15 kHz, and features low THD and excellent sound quality. The part is RoHS compliant and conforms to all EMC requirements.