Memphis SRX42 4" 2-Way Coaxial Speakers

Lightweight foam surround
Mylar tweeter
Treated paper cone
Shallow mounting depth
Frequency Response 90-20KHZ
Maximum Peak Power (Watts) 40
Recommended RMS Power (Watts) 20
Sensitivity (dB) 88
Magnet Weight (oz) 5.4
Mounting Depth (in) 2
Size (in) 4