4x PRV Audio 6MB200-4 Midbass Car Audio 6.5" Speakers 4 Ohm 6MB PRO 800 Watts 602938022026 | eBay
Skar Audio FSX65-4 6.5" 300 Watt 4 Ohm Pro Audio Midrange Loudspeaker, Each : Amazon.co.uk: Electronics & Photo
CT Sound 6.5 Inch Component Speaker Set- 3 Way Full Range, 4-Ohm Impedance, 230W(MAX) Power Per Speaker Set, Crossovers, Silk Dome Tweeters, Rubber Surrounded with Woofer Grills, Meso 6.5 3-Way : Amazon.co.uk: