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JBL ASB4128

4000W 18" Dual Medium Powered Subwoofer with Large Vent Area for High Output

We apologize

This item has been discontinued

Product Features
  • 18" Dual Medium Powered Subwoofer
  • Power Handling
    • Peak: 4000 watts
    • RMS: 600 watts
  • Impedance Per Speaker: Single 8 ohm
  • Parallel/Discrete Switchable operation
  • Front-Loaded, vented configuration
  • Deep, rectangular cabinet allows for extended low frequency bandwidth with minimum frontal profile
  • Black DuraFlex finish
  • Powder coated 14 gauge perforated steel grille
  • NL4 Neutrik Speakon and CE-compliant covered barrier strip terminals
  • Frequency Range: 30-1000 Hz
  • Frequency Response: 40-1000 Hz
  • Max SPL: 133 dB
  • Sensitivity: 103 dB
  • Dimensions: 32-1/4"D x 22-1/8"W x 43-1/8"H
  • 1-year Manufacturer's warranty

Subwoofer Specifications

Power Configuration
PA Subwoofers can be active or passive. Active subwoofers have a built-in amplifier that is designed to power the subwoofer, Passive subwoofers require an external amplifier to power the subwoofer.
Passive
Number of Drivers
This is the total number of low-frequency drivers in the PA Subwoofer enclosure.
2
Driver Size
This is the size of the low-frequency driver(s) in the PA Subwoofer.
18"
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
40 - 1000 Hz
Maximum SPL (Sound Pressure Level)
This is the maximum Sound Pressure Level (SPL) of the PA Subwoofer. The higher the SPL rating, the louder the subwoofers are able to go.
133 dB
Inputs
These are the types of input connections that the PA Subwoofer has.
Binding Posts (Banana Clip Ready)
SpeakOn

Passive Subwoofer Specifications

Peak Power Handling
This is the maximum amount of power that the subwoofer is capable of handling. It is measured in watts.
4000 watts
Continuous Power Handling
This is the amount of continuous power that the subwoofer is capable of handling. It is measured in watts.
600 watts
Impedance
This is the amount of resistance that the subwoofer presents to the amplifier. It is important to match the impedance of the subwoofer to the impedance of the power amplifier.
8 ohms

Case Specifications

Mounting Options
These are the different types of ways that the PA Subwoofer is able to be mounted. Most of these PA subwoofers are designed to be floor standing systems, however some of them can be mounted in other fashions.
Floor Standing
Grille
If the PA Subwoofer includes a grille, it will be indicated here.
Yes
Height
The height of the item, measured from top to bottom, in inches.
43-1/8"
Width
The width of the item from left to right (side-to-side) measured in inches.
22-1/8"
Depth
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
32-1/4"

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

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Product Summary

Manufacturer

Model Number

ASB4128

Weight

143.00lbs

Internal SKU

asb4128

Internal Product ID

32653

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: JBL ASB4128