18" High Power Subwoofer System

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18" High Power Subwoofer System

AC118S is a high power subwoofer system comprised of one 459 mm (18 in) low frequency driver in a vented, front-loaded configuration for extended bandwidth. The rectangular cabinet is fitted with M10 threaded suspension points for ultimate flexibility.

As a part of JBL’s AE Application Engineered Series, a versatile family of loudspeakers for a wide variety of fixed installation applications, AC118S provides a natural low-frequency sound quality.



  • High power and long excursion driver for lower frequency reproduction.
  • High sensitivity with lower power compression
  • Large port for high output and low-frequency reinforcement
  • Multiple Attachment Points for Ultimate Flexibility
  • Robust 18 mm multiply hardwood with textured black finish


  • Performing Spaces
  • Clubs & Bars
  • Houses of Worship
  • Multi Media Spaces
  • Retail & Hospitality Spaces
  • Presentation Suites
  • Educational Facilities


  Version Language Size Uploaded
file type icon AC118S Spec Sheet
updated: Apr 2019
    503 KB Apr 2019
CAD Drawings
file type icon AC Bracket 2D Drawings PDFs
updated: Apr 2019
    434 KB Apr 2019
file type icon AE Expansion 2D Drawings
updated: Apr 2019
    5,21 MB Apr 2019
file type icon AE Expansion Series Declarations of Conformity
updated: Okt 2020
    76 KB Okt 2020
file type icon AC Expansion Series Declaration of Conformity
updated: Okt 2020
    139 KB Okt 2020
Application Guides
file type icon Loudspeakers for Sports Facilities
en updated: Mei 2021
  en  5,71 MB Mei 2021
file type icon Directional Bass Using 3-Element Arrays
en updated: Agu 2021
  en  570 KB Agu 2021
file type icon AC118S - Angle
updated: Apr 2019
    198 KB Apr 2019
file type icon AC118S - No Grill
updated: Apr 2019
    148 KB Apr 2019
file type icon AC118S - Front
updated: Apr 2019
    244 KB Apr 2019

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Parts & Service


Frequency Range (-10dB) 32 Hz - 250 Hz
Frequency Response (±3 dB) 40 Hz - 250 Hz
System Sensitivity (1w @ 1m) 95 dB
Nominal Impedance 8 ohms
Maximum SPL (1m) 122 dB (128 dB peak)
System Power Rating 600W (2400W peak), 2 hrs (AES rated)
450 W/900 W/1800 W (Continuous/Program/Peak) (IEC rated)
LF Driver 1x 18″ woofer (P/N: 5021800), 457.2 mm (18 in) driver with 75 mm (3 in) voice-coil
Input Connector Dual Neutrik NL4MP connectors plus covered barrier trip terminals
Enclosure 18 mm multi-ply hardwood plywood
Grille Powder coated, 1.5mm perforated steel, with acoustically transparent black foam backing
Finish Textured black paint finish. White (-WH) available upon request. Not available with WRC & WRX finish.
Suspension Attachment 12 x M10 threaded suspension points
Dimensions (H x W x D) 548 mm x 561 mm x 720 mm 21.5 in x 22.0 in x 28.3 in
Net Weight (each) 32.3 kg (71.2 lbs)
Nominal LF Driver Impedance 8 ohms


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18" High Power Subwoofer System