Additional Resources: Product Page 3D Model date 01/22/2020 page 1 of 3 MODEL: CDS-40304 DESCRIPTION: SPEAKER FEATURES micro-speaker wide operating temp range 4 ohm impedance SPECIFICATIONS parameter conditions/description min typ max units maximum power: IEC-60268-5, filter 60s on/120s input power 2.0 3.0 W off, 10 cycles at room temp impedance at 2.0 kHz, 1.0 V 3.4 4 4.6 resonant frequency (Fo) at 1.0 V 320 400 480 Hz frequency response average SPL -10 dB Fo 20,000 Hz at 2.0 W, 0.1 m ave, at 0.8, 1.0, 1.2, 1.5 kHz 99 102 105 dB sound pressure level at 1.0 W, 1.0 m ave, at 0.8, 1.0, 1.2, 1.5 kHz 76 79 82 dB distortion at Fo ~ 6 kHz, 2 W 15 % buzz, rattle, etc. must be normal at sine wave between Fo ~ 20 kHz 2.83 V cone will move forward with positive dc current to polarity + terminal dimensions 40 x 30 x 7.1 mm magnet Nd-Fe-B material ABS777 cone material paper + cloth terminal solder pads weight 7.5 g operating temperature -30 70 C storage temperature -40 85 C RoHS yes Notes: 1. All specifications measured at 5~35C, humidity at 45~85%, under 86~106kPa pressure, unless otherwise noted. SOLDERABILITY parameter conditions/description min typ max units hand soldering for maximum 3 seconds 370 380 390 C cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices MODEL: CDS-40304 DESCRIPTION: SPEAKER date 01/22/2020 page 2 of 3 MECHANICAL DRAWING units: mm tolerance: 0.25 mm RESPONSE CURVES Frequency Response Curve Total Harmonic Distortion Curve cuidevices.com