Eton Subwoofer Force F12R 12" Specifications 12 inch (30 cm) extreme resilient SPL subwoofer 100 mm aluminum double voice coil 2x1 Ohm, 2x 1500 W RMS, 2x 3000 W max power Kevlar-paper sandwich membrane Mounting depth 19,6 cm diameter 28,5 cm Weight 26 kg Cabinet recommendation: Bass reflex cabinet for music 70 lt, for SPL > 95 lt 2x 1000 W RMS