Additional Resources: Product Page date 10/15/2020 page 1 of 3 MODEL: GF0401M DESCRIPTION: SPEAKER FEATURES 40 mm round frame 0.04 W 8 ferrite magnet mylar cone SPECIFICATIONS parameter conditions/description min typ max units input power 0.04 0.1 W impedance at 1.0 kHz, 0.57 V 6.8 8 9.2 resonant frequency (Fo) at 0.57 V 144 180 216 Hz frequency response Fo 20,000 Hz sound pressure level at 1 mW (0.089 V), 10 mm, 1.0 kHz with IEC-318 118 121 124 dB buzz, rattle, etc. must be normal at sine wave 0.57 V dimensions 40 x 9.3 mm magnet ferrite cone material mylar terminal solder pads weight 17.8 g operating temperature -25 60 C hand soldering for maximum 3 seconds 340 350 360 C RoHS yes cuidevices.comAdditional Resources: Product Page CUI Devices MODEL: GF0401M DESCRIPTION: SPEAKER date 10/15/2020 page 2 of 3 MECHANICAL DRAWING units: mm tolerance: 0.3 mm FREQUENCY RESPONSE CURVE parameter conditions/description potentiometer range 50 dB rectifier RMS lower limit frequency 20 Hz wr. speed 100 mm/sec zero level 80 dB cuidevices.com