DD Audio SL610 D4

Features: 10″ (25cm) subwoofer with EROM surround. High temperature 2.5″ voice coil Double layer spider system Three-layer flat diaphragm body 72oz magnet Coil gap ventilation at rear plate DD cast aluminum frame Speaker size (In): 10 Watts RMS: 300 - 600 Watt peak power: 1200 Impedance: D4 Voice coil (inch): 2.5 Data: Fs (Hz): 29 Qms: 6.878 Qes: 0.393 Qts: 0.372 Vas: 26.769 Xmech (MM): 40 Xmax (MM): 14.5 Dimensions: Frame outer diameter (cm): 26.92 Frame outer diameter with gasket (cm): 27.4 Mounting diameter (cm): 23.5 Mounting depth (cm): 10.1 Motor diameter (cm): 16,51 motor depth (cm): 3.81 woofer displacement : 0.84 litre Shipping weight : 7 kg Enclosure recommendations: Closed cabinet : 14-28 litres Bass reflex cabinet : 14-35 litres.