Designed and developed in France, the Sub 12 Dual benefits from Focal's renowned savoir-faire. With its 30cm polypropylene cone, this subwoofer provides an excellent bass boost for any on-board audio system. Its dual-coil architecture offers the option to fit in parallel with a 2-Ohm operation, allowing the amplifier's maximum power to be exploited. 2 x 4 Ohm Dual Voice Coil - High SPL Capacity Butyl Surround - Superior Resistance Steel Chassis - Rigid and Compact Spider Decompression - Voice coil ventilation Polypropylene Cone - Offering rigidity that reduces distortion at extreme volumes Screwable Terminals - Simple and reliable connection Specifications - • Type: Bass-reflex sub • Diameter: 30cm • Cone: Polypropylene • Magnet: Ferrite • Surround: Butyl • Max. Power: 600W • Nominal Power: 300W • Sensitivity (2.83V/1m): 88dB • Impedance: 4 Ohm + 4 Ohm