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Open Box JBL PRX718XLF 18" Powered Extended Low-Frequency Subwoofer  

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The PRX700 Series represents an evolutionary step in powered speaker design. Efficient amplifier power, rugged durability and enhanced versatility combine together in a self-powered loudspeaker design... Read More

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The PRX700 Series represents an evolutionary step in powered speaker design. Efficient amplifier power, rugged durability and enhanced versatility combine together in a self-powered loudspeaker designed from the ground up to perform in the real world of sound reinforcement. Inconvenient audio environments, high ambient noise levels and loud volumes are typical features of performing, and the PRX700 Series is adept at meeting all of these challenges. They are the first systems to use JBL's patented Differential Drive technology with ferrite drivers featuring high power, wide bandwidth and low distortion. Versatile, scalable, easy-to-transport and set up, the PRX700 Series use JBL's tour tested technology throughout for a lifetime of reliable performance you can trust.

The JBL PRX718XLF is a powered extended low frequency subwoofer system with a 1500-watts of Class D power. The clarity of this enclosure relative to its volume is revolutionary. JBL's Differential Drive technology incorporates lower mass in the ferrite magnet for reduced weight while maximizing power amp efficiency for greater heat dissipation and increased power handling.

  • Light weight
  • High power
  • Low distortion
  • High output
  • System type: Self-powered 18" bass reflex
    Max SPL Output: 134 dB
    Frequency Range (-10 dB): 30 Hz - 103 Hz
    Frequency response: 35 Hz - 87 Hz
    Amplifier Design: Class D
    Dimensions: 27.18" X 20.6" X 28.5"
    Weight: 81lb

Pro Coverage gives you added warranty protection for your new gear. Stepping in where the manufacturer's "normal wear and tear" coverage ends, our Pro Coverage program offers you upgraded coverage if your product ever fails Read More.

Pro Coverage includes
  • Accidental damage protection (new gear only)
  • Expedited repair
  • Free shipping (for returns or repairs)
  • 100% coverage for commercial use
  • Extended return period
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  • No lemon guarantee
  • Free transfer of coverage to a new owner
  • Repair costs covered for up to three years from date of purchase
  • Repair authorization-toll-free by phone or via the web
  • Customer Reviews

Review Snapshot

by PowerReviews
JBLPRX718XLF 18" Powered Extended Low-Frequency Subwoofer

(based on 1 review)

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Reviewed by 1 customer

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(3 of 3 customers found this review helpful)


First class equipment

By x

from Arkansas

About Me Pro Audio / DJ

Verified Buyer


  • Easy To Set Up
  • Good Power Output


  • Heavy / Bulky

Best Uses

  • DJ / Mixing
  • Larger Rooms

Comments about JBL PRX718XLF 18" Powered Extended Low-Frequency Subwoofer:

Hard to go wrong with JBL pro line and this speaker is no exception. Yes you pay for quality but with JBL there is no doubt about what you will get.

I bought this speaker to add bottom to our mobile DJ setup. Just one easily covers the "Thump" when matched with our four 15" full range speakers in a small to midsized venue.. If playing a large venue (school gym etc...) adding a second would be advised.

Very easy setup and it is nice that the speaker has a built in sub filter and stereo in plus pass. If you had two of these with a matching powered top setup would be quick and you could cover just about any indoor venue for dance.

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