MB Quart Legacy White Marine Bundle (3 Pair) NKF116 6.5" 2-Way COAXIAL Nautic Speaker System RMS POWER HANDLING - 60 watts FREQUENCY RESPONSE +/- 10DB - 30-22kHz HIGH TEMPERATURE VOICE COIL AND FORMER IPX67  Tested to the highest Marine and Motorsports standards High energy strontium ferrite magnet for higher output with minimal amplifier power