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B-52 MX-18SP

550W Single 18" Direct-Radiating Passive Subwoofer with 3-1/2 High-Temperature Polyamide Voice Coil

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B-52 MX-18SP Direct-Radiating Subwoofer

The B-52 MX-18SP delivers deep, rich bass and extends the low frequency response of any MX-Series full-range system to its lowest octave. It utilizes a Made in the U.S.A., cast-framed 18 subwoofer with a 3.5 high-temperature, polyamide voice coil. A pole mount adapter provides for easy installation of a metal tube to support the MX-15.

Product Features
  • Single 18" Direct-Radiating Passive Subwoofer
  • Power Handling
    • RMS: 550 watts
  • Convenient carrying handles
  • Protective steel grille
  • Metal corners
  • Rubber feet
  • Durable Carpeted Finish
  • 3-1/2" High-Temperature Polyamide Voice Coil
  • Pole mount adapter included
  • Nominal Impedance: 8 Ohms
  • Frequency Response: 30-160 Hz
  • Peak SPL: 130 dB
  • Dimensions: 22"D x 23"W x 26"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.
1
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).
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.
130 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.
550 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
Convenience Features
These are some features of the PA Subwoofer that make moving it and using it easier.
Built-in Handles
Integrated Mounting Pole-Cup
Enclosure Material
This is the type of material that the PA Subwoofer is made out of.
Solid Plywood with Durable Finish
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.
26"
Width
The width of the item from left to right (side-to-side) measured in inches.
23"
Depth
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
22"

Warranty and Return Policy

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

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Product Summary

Manufacturer

Model Number

MX-18SP

UPC

763815125169

Weight

90.00lbs

Internal SKU

mx18sp

Internal Product ID

32513

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 MX-18SP