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Boss MR690 SpeakerBoss MR690 6" x 9" 2-Way Marine Speakers in White 350 Watt.Boss MR690 Features Power handling, Peak: 350W Magnet Structure: 50oz Impedance: 4 ohm Frequency Response: 60Hz-20khz SPL 1 watt/1 meter: 92db Cone material: poly injected Voice Coil: 1" aluminum Tweeter: 1" mylar dome Grilles: Plastic
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