Boss Audio - MR752C 7.5" 2-Way Marine Speakers - Pair - White - MR752C. With removable tweeters and crossovers to be used as a component set.. Features:. Power Handling, Peak: 400W. Impedance: 4 OHM. Frequency Response: 40Hz - 20Hz. SPL 1 Watt/1 Meter: 90 dB. Cone Material: Poly Injection. Voice Coil: 1 - 1/2" Aluminum. Tweeter: 1" Mylar Dome. Grilles: Plastic. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.