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JBL JRX118SP 18” Powered Subwoofer

Dolphin id:4983 Product SKU:JBL0561

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JBL 18" Powered Subwoofer. For those who prefer the simplicity of a self-powered subwoofer, there's the JRX118SP. JBL started with the same woofer used in the non-powered JRX118S and added a specially designed amplifier with 500 watts (peak) and 300 watts (continuous) power output.

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The JRX118SP features

  • Dual inputs with balanced XLR connectors.
  • A built-in stereo crossover network - great for systems with EON or other powered satellite speakers.
  • Peak limiter that protects the amplifier and speaker from clipping.


  • Frequency Range (-10 dB): 38 Hz - 300 Hz
  • Frequency Response (±3 dB): 55 Hz - 300 Hz
  • Amplifier Power :  Peak: 500 watts: Continuous: 300 watts with <0.2% THD
  • Maximum SPL:  123 dB 
  • Dimensions (H x W x D):  597 mm x 516 mm x 597 mm
  • (23.5 in x 20.3 in x 23.5 in)
  • Weight: 40.4 kg (89 lbs)
  • Low Frequency Driver: JBL 2043-G
  • Input Connectors:  XLR/M (x2) (line level, balanced): ¼" TS phone jack (x1) (speaker level) 
  • Output Connectors: XLR/F (x2) (Selectable, Thru or High Pass)


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