Additional Resources: Product Page date 01/05/2021 page 1 of 5 MODEL: CMS-25145-28SP-67 DESCRIPTION: SPEAKER FEATURES 1.5 W rated power 8 ohm rated impedance IP67 rated SPECIFICATIONS parameter conditions/description min typ max units max power: IEC-60268-5, filter 60 seconds on, input power 1.5 2.0 W 120 seconds off, 10 cycles (room temp) impedance at 2.0 kHz, 1 Vrms 6.8 8 9.2 resonant frequency (Fo) at 1.0 V 560 700 840 Hz frequency response Fo 20,000 Hz sound pressure level at 1.0 W, 50 cm, avg at 0.8, 1.0, 1.2, 1.5 kHz 78 81 84 dB distortion at 1.0 kHz, 2.83 Vrms, 50 cm 5 % buzz, rattle, etc. must be normal at sine wave, Fo~20 kHz 4.0 V polarity cone moves forward w/ positive dc current to + terminal dimensions 25.0 x 14.0 x 5.2 mm magnet Nd-Fe-B frame material PBT cone material PU-PEI terminal solder pads weight 2.08 g operating temperature 20 55 C storage temperature -30 60 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.com0120 Additional Resources: Product Page CUI Devices MODEL: CMS-25145-28SP-67 DESCRIPTION: SPEAKER date 01/05/2021 page 2 of 5 MECHANICAL DRAWING units: mm tolerance: 0.2 mm 250.3 - + 01 20 WWYY cuidevices.com 5.20.3 140.3