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JBL PRX618S-XLF High Performance Portable 18" Su *

JBL PRX618S-XLF High Performance Portable 18" Su *
JBL PRX618S-XLF High Performance Portable 18" Su *

JBL PRX618S-XLF High Performance Portable 18" Su *

(4 Reviews)
We apologize, this product is no longer available.
Likely due to either replacement with a newer model or manufacturer discontinuation.
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JBL PRX618S-XLF 18" Powered Subwoofer

The PRX618S-XLF, extended low frequency subwoofer was designed and engineered to provide sub bass frequencies with accuracy and power. Used as a single sub in a sub/sat system or in multiples as part of a scalable, large format sound reinforcement system, the PRX618S-XLF performs with extreme efficiency and control. The subs are stackable and light-weight ensuring quick set-ups and tear-downs. And due to their rugged construction are perfect for AV rental inventories. With a pole receptacle (that accepts a SS4-BK or SS4-BK24) on the top panel and integrated stereo pass-thru this is the most powerful low-frequency complement to the PRX full-range systems. The addition of a polarity reverse option further enables system optimization.

The PRX618S-XLF is a high performance self-powered subwoofer system. The PRX618S-XLF is comprised of a powerful 2268FF Differential Drive® dual voice-coil and magnetic gap, neodymium woofer driven by a 1000 Watt (dual 500 watt) Crown Class-D power amplifier. Dual-Bridge Technology™ directly links discrete amplifier channel outputs to each voice coil in the Differential Drive woofer. Electrical power transfer to the transducer is optimized for more power performance. A proprietary DSP chip is at the core of a fully featured input section, providing user selectable cross-over functionality, polarity optimization, protection, dynamic limiting and discrete component optimization.

The amplifier input panel offers stereo inputs with XLR or ¼ inch jack compatibility. A user selectable crossover ensures a smooth transition to full-range system connected to the stereo outputs. Signal present and limiter lights indicate the system status and assist in setting the optimum level, via the level control knob.

All PRX600 cabinets are built from a combination of 25mm (on the top and bottom for added rigidity) and 18mm, strong, light-weight poplar plywood made structurally sound with tongue and groove joints. All PRX600 Series cabinets are protected by JBL’s tour proven DuraFlex™ finish. Grilles are made from dent-resistant 16 gauge steel and handles are made from light-weight glass-filled nylon for added strength and durability.

Features :

  • Maximum SPL 133 db peak
  • 460mm (18 in) Differential Drive® dual voice-coil and magnetic gap, neodymium woofer
  • 1000 Watt (2 x 500 watt) Class-D, Crown® digital amplifier
  • DSP input section with dbx® Type IV™ limiter circuit, crossover, dynamic limiting, component optimization, selectable system EQ
  • Professional XLR line and ¼" Mic/Instrument inputs, with loop through
  • Obsidian DuraFlex™ coated plywood construction
  • Top panel M20 pole mount socket for sub/satellite configuration
  • Large die-cast aluminum handle bar with a fine tuned ergonomic rubber grip for maximum comfort


  • System Type: Self-Powered 18",bass - reflex
  • Maximum SPL Output:133 dB peak
  • Frequency Range (-10 dB): 30 Hz – 105 Hz
  • Frequency Response (±3 dB): 39 Hz – 93 Hz
  • Polarity: Normal or reverse polarity
  • Crossover Frequency: 90 Hz
  • Amp Design: Crown® Class D
  • Power Rating: 1000 W ( 2 x 500 )
  • Dimension (H x W x D): 685.8 mm x 530.9 mm x 716.3 mm ( 27.0 in x 20.9 in x 28.2 in )
  • Net Weight: 37 kg ( 81.5 lb )
… [ More ]
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Questions & Answers
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 2 questions Browse 2 questions and 8 answers
is this a good dependable power sub?does the amp blow on it? does it kick good bass?
dj money mike on Sep 2, 2010
BEST ANSWER: This is a very dependable sub, the amp in it is a high quality Crown amplifier that has a 3 year warranty. This sub sounds good and is reliable.
JBL Pro PRX618S-XLF Reviews
4.8 / 5.0
4 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Super Bass Cabinet
Pros: Good Power Output,Matches my two PRX615m,Attractive Design,Great Sound Quality,Easy To Set Up
Cons: Overheated

I'm a mobile DJ in the San Jose, CA area. I was giging at a bar/club and was tucked in the corner. At 10pm the amp plate got hot and the bass cabinet turned off; 5 times. The bass cabinet was not against the wall but JBL says it was not getting enough circulation. The next gig I had to put a small 5inch fan pointed at the back plate.Why couldn't they install a internal fan like QSC? Now I'm paranoid of the plate always overheating. Thanks JBL for not world testing the product.Dj Mikeb[@]
August 22, 2011
Don't think about it...just get it!!
Pros: Great Sound Quality,Easy To Set Up,Good Power Output,Attractive Design
Cons: Na

WOW!! I just got this sub this week and used it at a wedding on Saturday and let me tell you...it ROCKS!! I used it with my PRX515's and did not use a Driverack (even though I have one) nor a maximizer and it did the best job a sub can do. It's reliable, it's strong, light enough for one to carry, and I can't emphasize it enough, it ROCKS! I'm getting another one, that's it, no thinking about it, I'm getting it. Thanks JBL!
March 20, 2011
I want one!
Pros: Great Sound Quality,Easy To Set Up,Good Power Output

I am looking into a powered sub to go with my PRX615m. Getting tired of lugging around two MRX518s and XTI2000. Hearing good reviews on this sub. Love the easy setup, and so far no problems with my top end.
July 10, 2012
Lots of BASS
Pros: Good Power Output,Great Sound Quality,Attractive Design
Cons: Heavy / Bulky

I've been waiting and researching powered subs before I sprung for one. Upgrading my system from a single cabinet (80lbs) and a big bulky amp (another 90lbs)After using this for a month at small and large venues, I'm know I made the right choice. with just one cabinet I have a very nice balance with my 2 prx615 mains. I also use the dbx driverack plus with this setup. It's a little bulcky, but it's 80lbs doesn't break my back. It's very lite compared to what I was lugging around before. And with better sound and output.
November 20, 2012
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