(4) Hifonics HS5768CX 60W 5x7 or 6x8 Hercules 2-Way Coaxial Car Stereo Speakers 5x7" Hercules Series 2-Way Car Speakers Silk and mylar dome tweeters with flush, surface and angle mount cups Power Handling RMS: 30 watts. Power Handling Peak: 60 watts Impedance: 4 ohms, Sensitivity (1 watt / 1 meter): 88dB Frequency Response +/- 10dB: 95-20,000 Hz, Top-Mount Depth: 2.5"