Pioneer 6-1/2" 4-way Speakers (also 6-3/4" Mountable) (Pair) 6-1/2" Pioneer 4-way Speakers (also 6-3/4" Mountable) Peak: 560 watts per pair / 280 watts each | RMS: 100 watts per pair / 50 watts each Frequency Response: 36 - 28,000 Hz Impedance: 4 ohms Top Mount Depth: 2-1/4"