4 New JBL GTO638 6.5" - 6.75" 360W 3 Way Car Audio Coaxial Speakers Stereo New JBL GTO638 6.5" - 6.75" 360 Watt 3 Way Car Speakers (4 Pack) 180 Watt Max (360 Watt Total) 60 Watt RMS (120 Watt Total) Mylar/titanium Composite Dome Tweeters Impedance: 2 Ohm