F-S-D1040OPB DimensionØ10 x 7 mm Sound Pressure Level≥110 dB Operating Temperature-40 to +85 °C Max. Input Voltage30 Vrms at 40 kHz
F-S-D1840WP DimensionØ18 x 12 mm Operating Temperature-40 to +80 °C Max. Input Voltage140 Vpp DirectivityX/Y-axis 80 ±15 deg