SUBWOOFER RS10.2 250MM RS10.2 EXTRA SLIM SUBWOOFER Technical details Installation depth 66 mm Power 300 W max / 150 W nominal Frequency response 35 Hz to 500 Hz Sensitivity: 87.7 dB Impedance 2 Ω Composition Steel bowl Injected polypropylene diaphragm Large "Conex" long life butyl Spider peripheral pendant lamp 50 mm coil on aluminium stand 126 mm x 15 mm magnetic motor Flared pole piece Subwoofer optimized for closed speakers from 10L to 40L Included accessories: Fixing screws Instructions for use Closed chamber recommended: Internal Volume Vb F -3dB Boost 10L 46 Hz 5.7 dB at 71 Hz 20L 38 Hz 4.1 dB at 60 Hz 30L 36 Hz 3.4 dB at 56 Hz