The Magnadyne linear series LS2 water resistant 3 inch surface mount satellite speaker sold as a pair is a designed for marine/RV exterior usage. This speaker features a LED light that glows white while the speaker is turned on with the vehicle. Additional facts about the speaker include, power handling: 30 watts, frequency response: 250 - 18,000 kHz, Impedance: 4 Ohm, and Lighting Voltage: 12v.