2) NEW BOSS CH6520 6.5" 250W + 2) 4x6" 250W + 2) 4x10" 400W Car Speakers Package MAX Power Handling: 125 Watts per speaker (250 watts per pair) Size: 6.5" Impedance: 4 ohms Each 100Hz-18khz Frequency Response Sensitivity: 90 dB @ 1 Watt/1 Meter