loud sound 57mm 8ohm 1w attendence device speaker

loud sound 57mm 8ohm 1w 2w speaker for attendence device, round 57mm 2.05"~2.75" Speaker speaker for attendence device, thin speaker for attendence machine, 57mm Mid Range Speaker, 57mm speaker for time machine,our XDEC speker also have many speaker for attendence device,  sound is clear and loud, our sizes have 2030 speaker, 3516 speaker, 2040 speaker,2535 speaker, 2840 speaker,3370 speaker and some small box speaker for time clock machine, attendence device ! and we also can OEM ODM speaker for  this attendence device if you strucuture is limited. this is a 2.25" Speaker 57mm Speaker, Also can using for quran speaker.