Additional Resources: Product Page date 01/22/2020 page 1 of 4 MODEL: CSS-66668N DESCRIPTION: SPEAKER FEATURES 90 dB SPL 200 Hz resonant frequency Nd-Fe-B magnet SPECIFICATIONS parameter conditions/description min typ max units maximum power: IEC-60268-5, filter 60s on/120s input power 3.0 4.0 W off, 10 cycles at room temp impedance at 0.8 kHz 6.8 8 9.2 resonant frequency (Fo) at 1.0 V 160 200 240 Hz frequency response output SPL -10 dB Fo 15,000 Hz at 1.0 W, 0.1 m ave, at 0.6, 0.8, 1.0, 1.2 kHz 98 101 104 dB sound pressure level at 3.0 W, 0.5 m ave, at 0.6, 0.8, 1.0, 1.2 kHz 88 91 94 dB distortion at 1.0 kHz, 1.0 W 5 % must be normal at sine wave between buzz, rattle, etc. 4.9 V Fo ~ 20,000 Hz dimensions 66 x 66 x 29 mm magnet Nd-Fe-B material metal cone material paper & foam terminal solder terminals weight 101 g operating temperature -20 55 C storage temperature -30 70 C RoHS yes Notes: 1. All specifications measured at 15~35C, humidity at 45~85%, under 86~106 kPa 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 CUI Devices MODEL: CSS-66668N DESCRIPTION: SPEAKER date 01/22/2020 page 2 of 4 MECHANICAL DRAWING units: mm f tolerance: 0.2 mm f f f &8 , : f f f :((. FREQUENCY RESPONSE CURVE Frequency Response.Magn dB re 20.00 PA A T 1 W / 0.1 m cuidevices.com f f <( 5