Auto Subwoofer Signat in de kist van Exalibur 12" subwoofer signat rage 12 inch. 400 watt RMS. 800 watt max. Diepe bass..Type: subwoofer:type: subwoofer; size: 30 cm (12 in.) Power: 400 w (nominal); sensitivity: 92 db; frequency range: 19 - 250 hz; impedance: 4 ohm. Material basket: aluminium; resonance frequency (fs): 29 hz; full q (qts): 0.5074; equivalent volume (vas): 67;