Additional Resources: Product Page 3D Model date 06/08/2020 page 1 of 5 MODEL: CMS-405-158N-67 DESCRIPTION: SPEAKER FEATURES 8 ohm rated impedance 1.5 W rated power IP67 rated SPECIFICATIONS parameter conditions/description min typ max units IEC-60268-5, filter 60 seconds on, 120 seconds input power 1.5 2.0 W off, 10 cycles (room temp) impedance at 2.0 kHz, 1.0 V 6.8 8 9.2 resonant frequency (Fo) at 1.0 V 680 850 1,020 Hz frequency response Fo 20,000 Hz sound pressure level at 1.5 W, 10 cm, avg at 2.0 kHz 100 103 106 dB distortion at 1.0 kHz, rated power, 10 cm 10 % buzz, rattle, etc. must be normal at sine wave, Fo~8 kHz 3.46 V polarity cone moves forward w/ positive dc current to + terminal dimensions 40 x 5.6 mm magnet Nd-Fe-B frame material SPCC cone material PEN terminal solder pads weight 8.5 g operating temperature -20 60 C storage temperature -30 70 C hand soldering for maximum 3 seconds 370 380 390 C RoHS yes IP level IP67 (front side) Notes: 1. All specifications measured at 5~35C, humidity at 45~85%, under 86~106 kPa pressure, unless otherwise noted. cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices MODEL: CMS-405-158N-67 DESCRIPTION: SPEAKER date 06/08/2020 page 2 of 5 MECHANICAL DRAWING units: mm tolerance: 0.5 mm CUI 0120 %/ &. &/27+ Diaphragm(PEN) BLACK GLUE :((. <( 5 01-- 16--2016 02-- 17--2017 cuidevices.com