Additional Resources: Product Page 3D Model date 06/08/2020 page 1 of 5 MODEL: CES-3990-158PM-67 DESCRIPTION: SPEAKER FEATURES 8 ohm rated impedance 1.5 W rated power IP67 rated SPECIFICATIONS parameter conditions/description min typ max units max power: IEC-60268-5, filter 60 seconds on, input power 1.5 2.5 W 120 seconds 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 1,080 1,350 1,620 Hz frequency response Fo 20,000 Hz sound pressure level at 1.5 W, 10 cm, avg at 2.0, 3.0, 4.0, 5.0 kHz 97 100 103 dB distortion at 2.0 kHz, rated power, 10 cm 10 % buzz, rattle, etc. must be normal at sine wave, frequency range 3.46 V polarity cone moves forward w/ positive dc current to + terminal dimensions 39.0 x 9.0 mm magnet Nd-Fe-B enclosure material ABS cone material PET terminal wire leads with connector weight 11.8 g operating temperature -40 70 C storage temperature -40 80 C RoHS yes IP level IP67 (front side) Notes: 1. All specifications measured at 25~75, humidity at 45~85%, under 86~106 kPa pressure, unless otherwise noted. cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices MODEL: CES-3990-158PM-67 DESCRIPTION: SPEAKER date 06/08/2020 page 2 of 5 MECHANICAL DRAWING units: mm tolerance: 0.5 mm wire: UL1571 30 AWG internal speaker: CMS-3060-128SP67 connector: Molex 51021-0200 or equivalent P=1.25 STAMP %ODFN 5HG f f STAMP 0119 01 19---2019 02 20---2020 cuidevices.com f f