Additional Resources: Product Page 3D Model date 10/21/2020 page 1 of 5 SERIES: CES-571423-28PM DESCRIPTION: SPEAKER FEATURES cloth cone paper dust cap 2 panel mount flanges 305 mm lead wire wire leads with connector options SPECIFICATIONS parameter conditions/description min typ max units input power max power: 1 second on, 59 seconds off, 60 cycles 2.0 3.0 W impedance at 1.0 kHz, 1 Vrms 6.8 8 9.2 resonant frequency (Fo) at 1 Vrms, 10 cm 560 700 840 Hz frequency response as per IEC 268-5 Fo 20,000 Hz sound pressure level at 2.0 W, 10 cm, avg at 0.8, 1.0, 1.18, 1.5 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 4.0 V polarity cone moves forward w/ positive dc current to + terminal dimensions 57.5 x 23 x 14.85 mm magnet Nd-Fe-B enclosure material black ABS cone material cloth terminal wire leads weight 11 13 15 g operating temperature -20 60 C storage temperature -30 70 C RoHS yes Notes: 1. All specifications measured at 15~35C, humidity at 25~75%, under 86~106 kPa pressure, unless otherwise noted. PART NUMBER KEY CES-571423-28PM X Termination Options: blank = wire leads, no connector Base Number A = wire leads with Molex housing 51021-0200 B = wire leads with JST housing SHR-02V-S-B cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices SERIES: CES-571423-28PM DESCRIPTION: SPEAKER date 10/21/2020 page 2 of 5 MECHANICAL DRAWINGS units: mm tolerance: 0.5 mm WIRE LEADS, NO CONNECTOR wire: UL1061 26 AWG internal speaker: CMS-402008-18SP WIRE LEADS WITH MOLEX CONNECTOR wire: UL 1571 28 AWG connector: Molex 51021-0200 mating connector: Molex 53261-0271 internal speaker: CMS-402008-18SP 5( %/ &. WIRE LEADS WITH JST CONNECTOR wire: UL 1571 28 AWG connector: JST SHR-02V-S-B mating connector: JST BM02B-SRSS-TB internal speaker: CMS-402008-18SP 5( %/ & . cuidevices.com