JBL SRX728S

6400W Dual 18" High Power Vented Subwoofer with Large Vent Area for Reduced Distortion

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The product on this page is discontinued.

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SONIC has the best prices, and fast shipping. This was my second purchase. This time I got new Front & Rear speakers for my truck. I installed them the day they arrived and they sound great. No need to ever go anywhere else looking for equiptment.

- Scooby from Phoenix, AZ

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JBL SRX728S High Power Subwoofer

The SRX728S is buyilt to deliver smooth, clean, accurate low-end. A pair of 18" Differential Drive® woofers provide extension down to 27 Hz while handling an amazing 1600 watts of continuous power. Large, open ducts minimize port turbulance and the heavily braced enclosure assures tight, solid bass. An external switch allows the SRX728S to be used with cabling systems designed to power subs from contacts ±1 or ±2.

Product Features
  • Dual 18" High Power Vented Subwoofer
  • Power Handling
    • Peak: 6400 watts
    • Program: 3200 watts
    • RMS: 1600 watts
  • Impedance per speaker: Single 8 ohm
  • Dual 18" Differential Drive low-frequency drivers for very high acoustic output
  • Large vent area for reduced distortion
  • Neodymium-Magnet and dual Voice-Coils
  • Top quality birch plywood enclosure
  • Coated in rugged DuraFlex finish
  • 16-Gauge perforated steel grille
  • 2 x Neutrik Speakon NL-4 input connectors
  • Frequency Range: 27-220 Hz
  • Frequency Response: 33-220 Hz
  • Max SPL: 136 dB
  • Sensitivity: 98 dB
  • Dimensions: 33"D x 42"W x 23-3/4"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 33 - 220 Hz
Maximum SPL (Sound Pressure Level) 136 dB
Inputs SpeakOn
Passive Subwoofer Specifications
Peak Power Handling 6400 watts
Program Power Handling 3200 watts
Continuous Power Handling 1600 watts
Impedance 8 ohms
Case Specifications
Mounting Options Floor Standing
Convenience Features Built-in Handles
Enclosure Material Solid Plywood with Durable Finish
Grille Yes
Height 24"
Width 42"
Depth 33"
Weight (Pounds) 166.5 lbs
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: SRX728S
Weight: 166.50 lbs
Internal SKU: srx728s
Internal product ID: 32715