SL 87 XA - 4 Ohm
Waterproof 8 cm (3.3") fullrange speaker with a transparent plastic cone and rubber sealing ring. Very high mean sound pressure level. Optimised for voice and signal output.
*) IP protection class for front side when built into a sealed enclosure (gluing of the loudspeaker might be necessary)
**) 1 m height of water, 16 h