JBL ASB4128

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

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The product on this page is discontinued.

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Tyler K. worked with me and provided great customer support. Sonic Electronix will continue to have my business.

- Dan from Salt Lake City, UT

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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

Sonic Electronix, Inc. can only ship JBL products within the United States of America.

Subwoofer Specifications
Power Configuration Passive
Number of Drivers 2
Driver Size 18"
Frequency Response 40 - 1000 Hz
Maximum SPL (Sound Pressure Level) 133 dB
Inputs Binding Posts (Banana Clip Ready)
SpeakOn
Passive Subwoofer Specifications
Peak Power Handling 4000 watts
Continuous Power Handling 600 watts
Impedance 8 ohms
Case Specifications
Mounting Options Floor Standing
Grille Yes
Height 43-1/8"
Width 22-1/8"
Depth 32-1/4"
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Manufacturer
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Product Summary

Manufacturer: JBL
Model number: ASB4128
Weight: 143.00 lbs
Internal SKU: asb4128
Internal product ID: 32653