SWC-40R15.8-4N0.5R

Features: 
Cone
Voice Applications
High Profile
Characteristic Minimum Rated Maximum Notes
Type of Magnet NdFeB
Type of Frame Metal
Type of Diaphragm Paper
Type Magnetic
Sound Pressure Level dB at 30cm 85.44 Measured 81±3dB at 0.5W and 50cm.
Power W 0.5 1
Frequency kHz 0.65 0.65 5
Available Input Impedance Ω 4 4 64
Width mm 40
Height mm 15.8

Dimension Drawing: