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Focal RSB-250 Auditor Series 10″ Dual 4-ohm Voice Coil Subwoofer

Focal RSB-250 Auditor Series 10″ Dual 4-ohm Voice Coil Subwoofer


SKU: RSB-250
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Based in France this company has been putting out outstanding car audio speakers for decades. The clean accurate sound that these speakers produce ranges in the upper echelon of car audio loud speakers. If you like it loud and clean then look no further!

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SKU: RSB-250


sku: RSB-250

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  • 10″ dual 4-ohm voice coil subwoofer
  • polypropylene cone with butyl rubber surround
  • 5-1/2″ magnet
  • power handling: 250 watts RMS (500 watts peak)
  • frequency response: 35-500 Hz
  • sensitivity: 88 dB
  • top-mount depth: 4-5/8″
  • sealed box volume: 0.7 cu. ft.
  • ported box volume: 1 cu.ft.
  • grille not included
  • warranty: 1 year

Features & specs

Impedance 4 ohms
Woofer Size 10
Car Speaker Size 10
Mounting Hardware Included yes
Rms Power Handling 250
Water Resistant No
Peak Power Rating (Watts) 500
Shallow Mount No


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Additional information



Standard Subwoofer Design

Frequency Response, High

50k+ Hz


4 ohm

Power handling RMS

Sensitivity 1 watt 1 meter

88 db