JBL JRX118S 18" Compact Subwoofer (JRX118S)

JBL JRX118S 18" Compact Subwoofer
Model# JRX118S

List Price: $669.00

Price: $549.00

Save Up To: $120.00 (17%)

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2-Year Warranty

The JRX118S is driven by a massive JBL 18" woofer with a cast frame and 3" voice-coil.


  • 18 in. compact subwoofer.
  • 350 W (continuous), 1400 W (peak) power capacity.
  • The rugged enclosure is constructed from 19 mm (.75 in) MDF (Medium Density Fiberboard) using advanced adhesives and mechanical fastener technology for durability and improved low-frequency performance. The enclosure is covered in black carpet.
  • A top mounted, cast aluminum 35 mm pole mount receptacle can receive an optional SS3BK pole to facilitate use of the JRX118SP as a base for a midhigh speaker cabinet.
  • Non-resonant, all steel handles are used.
  • Attractive 18-gauge perforated steel grille protects components from damage.
  • 35 mm pole mount receptacle for use with satellite speakers.


  • Power Rating 350 W / 1400 W
  • Frequency Range 38 Hz - 300 Hz (-10 dB) Dimensions (H x W x D) 597 mm x 516 mm x 559 mm
  • (23.5 in x 20.3 in x 22 in)
  • Frequency Response 55 Hz - 300 Hz (±3 dB) Sensitivity 96 dB SPL
  • Nominal Impedence 4 ohms
  • Recommended Amplifier Power 350 W to 700 W into 4 ohms
  • Recommended Crossover Settings 30 Hz HPF, 24 dB / octave; 80 - 100 Hz LPF, 24 dB / octave
  • Maximum SPL 127 dB
  • Weight 32.2 kg (71 lb)
  • Low Frequency Driver JBL 2043-G
  • Input Connectors Neutrik® Speakon® NL-4 (x1); .25 in TS phone jack (x1); parallel

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