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Compact 18” powered portable subwoofer system

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Product Description

The JBL PRX618S-XLF, extended low frequency subwoofer was designed and engineered to provide sub bass frequencies with accuracy and power. Used as a single sub in a sub/sat system or in multiples as part of a scalable, large format sound reinforcement system, the PRX618S-XLF performs with extreme efficiency and control.


  • Maximum SPL 133 db peak
  • 18" Differential Drive® dual voice-coil and magnetic gap, neodymium woofer
  • 1000 Watt (2 x 500 watt) Class-D, Crown® digital amplifier
  • DSP input section with dbx® Type IV™ limiter circuit, crossover, dynamic limiting, component optimization, selectable system EQ
  • Professional XLR line and ¼" Mic/Instrument inputs, with loop through
  • Obsidian DuraFlex™ coated plywood construction
  • Top panel M20 pole mount socket for sub/satellite configuration
  • Large die-cast aluminum handle bar with a fine tuned ergonomic rubber grip for maximum comfort


  • System type: Self-Powered 18", bass - reflex
  • Maximum SPL output: 133 dB peak
  • Frequency range (-10 dB): 30 Hz – 105 Hz
  • Frequency response (±3 dB): 39 Hz – 93 Hz
  • Polarity: Normal or reverse polarity
  • Crossover frequency: 90 Hz
  • Amp design: Crown® Class D
  • Power ratin