JBL PRX 418S bass column subwoofer 800W/3200W

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JBL PRX 418S bass column subwoofer 800W/3200W

18" high-power passive subwoofer

The PRX418S is a high-end high-power subwoofer designed for use in various types of sound systems. The column is equipped with a Woofer JBL Seenium SWS1000W with a diameter of 457 mm (18") providing 800W of continuous power.

The PRX418S loudspeaker is also equipped with two NL-2 and TRS 1/4" sockets and a seat bar socket connecting the subwoofer to the satellite column.

Lightweight, duraflex plywood housing and steel grill with neutral acoustic sponge, provide full protection of the entire column during handling and transport and give the column a professional look.

  • Selenium JBL Transducer 18"
  • Large area of vents to reduce distortion
  • Compact low housing
  • Built-in seat seat
  • Steel protective grill powder coated in black
  • DuraFlex fault-tolerant housing
  • Works perfectly with XTi II CROWN amplifiers equipped with factory DSP presets


  • Publicize conferences and presentations
  • Fixed and portable stage sound systems
  • Fixed and portable DJ sound systems
  • Playing acoustic and vocal music
  • Sound systems based on subwoofer plus satellite speaker


System: passive subwoofer
Frequency range (-10 dB): 35 Hz - 250 Hz
Transmission band (+/-3 dB): 52 Hz - 120 Hz
Signal connection: +1/-1
Recommended frequency of division: 80 Hz, 24 - 48 dB/octave
Recommended HPF filter setting: 35 Hz, 24 dB/octave
Power output (IEC): 800 W / 1600 W / 3200 W (continuous / program / peak), test 2 h
Maximum SPL level: continuous: 124 dB SPL, peak: 130 dB SPL
Effectiveness (1 W, 1 m): 95 dB SPL
LF transducer: 1 x JBL Selenium SWS1000W, diameter 457 mm (18")
Nominal impedance: 8 Ohm
Housing: symmetrical, made of 18 mm thickpol-birch plywood
Hanging/Installing: seat seat for SS4-BK
Transport: two integrated handles covered with non-slip plastic
Finish: DuraFlex
Grille: powder-coated steel grille with holes, acoustically neutral sponge from the inside
Socket: Speakon NL-2 NEUTRIK TRS1/4"
Column dimensions: height: 678 mm, width: 356 mm, depth: 615 mm
Weight: 36.0 kg
Optional accessories: SS4-BK: seat seat bar connecting the subwoofer to the broadband column

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