SWC-40R10.0-16N0.25R

Features: 
Cone
Voice Applications
Water Resistant
Characteristic Minimum Rated Maximum Notes
Type of Magnet NdFeB
Type of Frame Metal
Type of Diaphragm PET
Type Magnetic
Sound Pressure Level dB at 30cm 87.44 Measured 83±3dB at 0.25W and 50cm.
Power W 0.25 0.5
Frequency kHz 0.9 0.9 5
Available Input Impedance Ω 4 16 64
Width mm 40
Height mm 10

Dimension Drawing: