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Focal RSB-250 Auditor 10" Car Audio Subwoofer 2x 4 ohm 250w RMS 500w Max

10″ (25CM) SUBWOOFER
This double voice coil subwoofer benefits from a polypropylene cone with high rigidity, a crucial requirement in the low end for preventing distortion at very high volume.
Equipped with double ferrite magnets and 2” (50mm) voice coils, these subwoofers combine high sensitivity and high power handling. 
The 2 x 4 ohms double voice coil is the perfect finishing touch to the mechanical design. This allows the subwoofer to be wired in parallel under 2 ohms in order to get the most from your amplifier.

WHAT MAKES THE DIFFERENCE
• Compact enclosure
• Ported or sealed enclosure
• Parralel voice coil wiring possible even more SPL

TECHNICAL 
Subwoofer
Diameter: 10" (250mm)
Voice-coil diameter: 2" (50mm)
Polypropylene cone
Max. power: 500W
Nom. power: 250W RMS
Sensitivity (2.83V/1m): 88dB
Impedance: 4+4 Ohms
Frequency response: 35Hz - 500kHz