Medium Power Subwoofer 2 x 18" 2043H Drivers

Grandes images

Medium Power Subwoofer 2 x 18" 2042H Drivers

ASB4128 is a medium power subwoofer system comprised of two 460 mm (18 in) low frequency drivers in a front-loaded, vented configuration. The deep, rectangular cabinet allows for extended low frequency bandwidth with minimum frontal profile.


  • Large vent area for high output.
  • Parallel/Discrete Switchable.
  • See Array Guide on applications such as performing arts facilities, theatrical sound design, auditoriums, houses of worship, live clubs, dance-clubs/discotheques, sports facilities and themed entertainment venues.

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 ASB4128 Spec Sheet
updated: déc. 2020
    354 ko déc. 2020
file type icon Weather Resistant Configurations
en version A, updated: mai 2023
en  86,1 ko mai 2023
file type icon AE/PD Connector Pinout Guide
updated: oct. 2019
    8,25 ko oct. 2019
file type icon JBL Installed Sound Configuration Guide
updated: oct. 2020
    160 ko oct. 2020
file type icon AE Application Data Sheets
updated: oct. 2020
    13,7 Mo oct. 2020
file type icon AE Series Brochure
updated: oct. 2020
    4,05 Mo oct. 2020
CAD Drawings
file type icon AE Series WRC WRX Drawings
updated: oct. 2020
    2,18 Mo oct. 2020
file type icon AE Series 3D DXF
updated: oct. 2020
    381 ko oct. 2020
file type icon AE Series 2D PDF
updated: avr. 2019
    1020 ko avr. 2019
file type icon AE Series 2D DXF
updated: avr. 2019
    1,24 Mo avr. 2019
file type icon AE Series - ASB & Low Frequency Declaration of Conformity
updated: oct. 2020
    93,5 ko oct. 2020
Speaker Tunings
file type icon AE DSP Tunings For All Models
updated: oct. 2020
    18,9 Mo oct. 2020
Application Guides
file type icon Directional Bass Using 3-Element Arrays
en updated: août 2021
  en  570 ko août 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.

Pièces détachées et réparations

Caractéristiques techniques

Frequency Range (-10dB) 30 Hz – 1 kHz
Frequency Response (±3 dB) 40 Hz – 1 kHz
Input Modes Drivers Parallel / Drivers Discrete
Transducer Power Rating (AES) 1000 W (4000 W peak), 2 hrs
System Power Rating 600 W (2400 W peak), 100 hrs
Maximum SPL (1m) 30 Hz – 100 Hz: 133 dB-SPL cont avg (139 dB peak)100 Hz – 500 Hz: 133 dB-SPL cont avg (139 dB peak)
System Sensitivity 30 Hz – 100 Hz: 103 dB100 Hz – 500 Hz: 103 dB
Nominal Impedance 4 ohms in parallel-drive mode 2 x 8 ohms in discrete-drive mode
LF Driver 2 x JBL 2042H 460 mm (18 in) drivers with 75 mm (3 in) voice coil
Nominal LF Driver Impedance 4 ohms in parallel-drive mode
2 x 8 ohms in discrete-drive mode
Enclosure Rectangular cabinet, 16 mm (5/8 in) exterior grade 11-ply Finnish birch plywood
Suspension Attachment 12 points (3 top, 3 bottom, 3 each side, 2 rear), M10 threaded hardware
Environmental Mil-Std 810; IP-x3 per IEC529.
Net Weight (each) 143 lbs. (64.9 kgs)