DD Audio DX6x9 146.34 EUR Available BUY Article Number: DDDX6X9-S4 Share Information Reviews Driver Size - in6x9 Power Band - Watts50-150 ImpedanceS4 Frequency Response - Hz40-25k dBSPL91 Cutout Diameter - in5.96 x 8.61 Mounting Depth - in2.39 Shipping Weight - lbs8.