Ultra Long Excursion High Power Dual 18" Subwoofer

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Ultra Long Excursion High Power Dual 18" Subwoofer

The ASB7128 is a high power, lightweight front-loaded vented subwoofer enclosure housing two of JBL's exclusive 2269H Ultra Long Excursion 18" Differential Drive® woofers. This woofer features neodymium magnet, dual voice coils and dual gaps, JBL’s exclusive Vented Gap Cooling™ and ultra robust composite cone for high excursion and extra long life. Woofer is capable of a peak-to-peak maximum excursion of 89 mm (3.5").



  • 2 x 2269H 18" Differential Drive® dual voice coil dual gap, neodymium magnet transducers
  • 4000 watts continuous pink noise,
    16000 watts peak power handling capacity
  • Ultra Long Excursion
  • Large vent area for high output with low distortion
  • Parallel/Discrete switchable input mode
  • FIR Tuning Set Matches Phase Profile to Full-Range Models
  • For ground-stacked or suspended applications in stand-alone arrays or in combination with other
    AE Series products

To improve reliability in weather conditions and reduce water ingress, cabinet dimensions of WRC & WRX models may be different than standard model dimensions. Contact for drawings and/or dimension information of WRC & WRX models.



  Version Language Size Uploaded
file type icon ASB7128 Spec Sheet
updated: 12월 2020
    386KB 12월 2020
file type icon Weather Resistant Configurations
en version A, updated: 5월 2023
en  86.1KB 5월 2023
file type icon AE/PD Connector Pinout Guide
updated: 10월 2019
    8.25KB 10월 2019
file type icon AE Application Data Sheets
updated: 10월 2020
    13.7MB 10월 2020
file type icon AE Series Brochure
updated: 10월 2020
    4.05MB 10월 2020
file type icon AM Brochure
updated: 10월 2020
    1.54MB 10월 2020
file type icon AE Combined Brochure
updated: 10월 2020
    4.09MB 10월 2020
CAD Drawings
file type icon AE Series 3D DXF file
updated: 10월 2019
    381KB 10월 2019
file type icon ASB DWG Drawings
updated: 10월 2020
    431KB 10월 2020
file type icon AE Series WRC WRX Drawings
updated: 10월 2020
    2.18MB 10월 2020
file type icon AE Series 3D DXF
updated: 10월 2020
    381KB 10월 2020
file type icon AE Series 2D PDF
updated: 4월 2019
    1020KB 4월 2019
file type icon AE Series 2D DXF
updated: 4월 2019
    1.24MB 4월 2019
file type icon AE Series - ASB & Low Frequency Declaration of Conformity
updated: 10월 2020
    93.5KB 10월 2020
Speaker Tunings
file type icon AE Series FIR Tunings for DCi Amplifiers
updated: 4월 2021
    463KB 4월 2021
file type icon Instructions for AE Series FIR Tunings
updated: 4월 2021
    339KB 4월 2021
file type icon ASB7128 Hi Res Photo
updated: 4월 2019
    250KB 4월 2019
Application Guides
file type icon Directional Bass Using 3-Element Arrays
en updated: 8월 2021
  en  570KB 8월 2021

If any of the links above result in strange characters in your browser, please right-click the file to save it to your computer.

Parts & Service


Frequency Range (-10dB) 20 Hz - 1 kHz
Frequency Response (±3 dB) 25 Hz - 1 kHz
Transducer Power Rating (AES) 4000 W (16000 W peak), 2 hrs.
Input Modes Drivers Parallel / Drivers Discrete
System Power Rating 2400 W (9600 W peak), 100 hrs.
Maximum SPL (1m) 25 Hz - 200 Hz: 135 dB-SPL cont avg. (141 dB peak)
System Sensitivity 25 Hz - 200 Hz: 99 dB-SPL, 1W (2.0V) @ 1m
Nominal Impedance 4 ohms in parallel-drive mode 2 x 8 ohms in discrete-drive mode
LF Driver 2 x 2269H, 460 mm (18 in) dia., 100 mm (4 in) Dual Coil Dual Gap neodymium Differential Drive®, VGC™ drivers
Enclosure Rectangular cabinet, 16 mm (5/8 in) exterior grade 11-ply birch plywood
Suspension Attachment 16 points (4 top, 4 bottom, 4 each side) M10 threaded hardware
Finish Black DuraFlex™ finish.White available upon request.
Grille Powder coated 14 gauge perforated steel, with acoustically transparent black foam backing.
Input Connector NL4 Neutrik Speakon® and CE-compliant covered barrier strip terminals. Barrier terminals accept up to 5.2 sq mm (10 AWG) wire or max width 9 mm (.375 in) spade lugs. Speakon in parallel with barrier strip for loop-through.
Environmental Mil-Std 810; IP-x3 per IEC529.
Dimensions (H x W x D in vertical orientation) 1092 x 560 x 815 mm(43.0 x 22.0 x 32.1 in)
Net Weight (each) 71.9 kg (158.5 lb)
Optional Accessories M10 x 35 mm forged shoulder eyebolts with washers.
Nominal LF Driver Impedance 4 ohms in parallel-drive mode
2 x 8 ohms in discrete-drive mode


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Ultra Long Excursion High Power Dual 18" Subwoofer