4) NEW BOSS NX524 5.25" 600W 4-Way Car Audio Coaxial Speakers Stereo Black 4 Ohm NEW BOSS NX524 5.25" 600 Watt 4 Way Car Speakers (2 Pairs) 300 Watt MAX (600 Watt per 2 Pairs) Poly Injection Cone Material Stamped Steel Basckets Mylar Cone Mids