B-52 FX-1818S

2000W Dual 18" Two-Way Directed Radiating Passive Subwoofer with Cast-Aluminum Frames

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B-52 FX-1818S Passive Subwoofer

The FX-Series is designed for large venue mobile applications. FX-Series systems reproduce live sound and music playback with exceptional sonic accuracy from detailed highs to thundering lows. Built for maximum SPL and clarity, the full-range cabinets can be used as stand-alone systems or combined with the FX-1818S subwoofer for a compact concert rig.

The FX-1818S is an excellent large venue mobile sound-reinforcement subwoofer. Utilizing two B-52 18-220S subwoofers with cast-aluminum frames and 4” voice coils, the FX-1818S delivers 2000 watts of earth-shaking bass with a usable frequency response down to 30 Hz.

Product Features
  • Dual 18" Two-Way Directed Radiating Passive Subwoofer
  • Power Handling
    • RMS: 2000 watts
  • Convenient carrying handles
  • Protective steel grille
  • Rubber feet on bottom
  • Metal corners
  • Nominal Impedance: 4 Ohms
  • Frequency Response: 30-160 Hz
  • Peak SPL: 133 dB
  • Dimensions: 30"D x 24"W x 48"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.
Number of Drivers
This is the total number of low-frequency drivers in the PA Subwoofer enclosure.
Driver Size
This is the size of the low-frequency driver(s) in the PA Subwoofer.
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).
30 - 160 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

Passive Subwoofer Specifications

Continuous Power Handling
This is the amount of continuous power that the subwoofer is capable of handling. It is measured in watts.
2000 watts
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.
4 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
Convenience Features
These are some features of the PA Subwoofer that make moving it and using it easier.
Built-in Handles
If the PA Subwoofer includes a grille, it will be indicated here.
The height of the item, measured from top to bottom, in inches.
The width of the item from left to right (side-to-side) measured in inches.
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.

Warranty and Return Policy

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

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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: B-52 FX-1818S

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B-52 FX-1818S

2000W Dual 18" Two-Way Directed Radiating Passive Subwoofer with Cast-Aluminum Frames


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