DD Audio CC6.5a 229.09 EUR Available BUY Article Number: DDCC6.5a Share Information Reviews Driver Size - inWoofer 6.5″ / Tweeter 28mm Power Band - Watts60-180 Impedance 4ohm Frequency Response - Hz 50-20k Mounting Diameter - Woofer 145,7mm/ Tweeter 48mm Mounting Depth - Woofer 66.mm / Tweeter 12.7mm.