JL Audio M3 6.5" Marine Speaker

Product highlights:
6-1/2" 2-way marine speakers (pair)
injection-molded, mica-filled polypropylene woofer with synthetic rubber surround
3/4" silk dome tweeter
UV- and corrosion-resistant polymer baskets and grilles
designed for free-air applications (no enclosures needed)
for best performance, speaker needs at least 2 cubic feet of airspace
handles up to 60 watts RMS (225 watts peak power)
frequency response: 55-25,000 Hz
sensitivity: 89.5 dB
impedance: 4 ohms
cutout diameter: 4.972
frame diameter: 6.9
mounting depth: 2.825
warranty: 2 years

California customers: Proposition 65 WARNING.