2) Hifonics ATL5.25C 5.25" 680 Watt Car Audio Stereo Component Speakers Systems New Hifonics ATL5.25C 5.25" 190 Watt Car Audio Stereo Component Speakers System Power Handling RMS: 90W (180W per 4 pack) Power Handling MAX: 340W (680W per 4 pack) Impedance: 4 Ohm 12dB passive crossover for component speakers