Reference RW12i – 12 inch subwoofer RRP $699 Specifications Woofer size 12″ (30 cm) Impedance 2 ohm Power handling capacity 250 W RMS Max power handling capacity 500 W Peak power 750 W Frequency range 20 Hz – 2 kHz Sensitivity 87,6 dB Magnet size 150 mm (5,9″), 55 oz Outer diameter of woofer 320 mm (12,6″) Mounting depth 165 mm (6,5″) Mounting hole 280 mm (11″) Weight 5,5 kg ( 12,1 lb) X-max +- 9 mm (0,35″) T/S parameters single V/C Fs 26,1 Hz Re 1,8 Ohm Qms 4,4 Vas 99,6 liter Vas 3,52 Cuft Qes 0,48 Qts 0,44 Sd 511 cm² BL 9,1 Bridge mode connections and more Owners manual RW10i & RW12i