4) New MB Quart PVM216 6.5" 300W 2 Way Car Component Speakers Stereo Audio Black New MB Quart PVM216 150 Watt 2 Way Component Speakers (2 Pairs) 75 Watt RMS (150 Watt per 2 Pairs) 150 Watt Max (300 Watt per 2 Pairs) Cone material: Proprietary blend of Polypropylene Butyl rubber surrounds