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JBL JRX118S Portable 18Inch Subwoofer +

Discontinued
JBL JRX118S: 18-Inch Passive Subwoofer

The JBL JRX118S is a non-powered subwoofer rated at 350 watts of continuous power handling at 4 ohms (1400 watts peak). This thumpin' sub is designed with a JBL 18" woofer with a cast frame and 3" voice-coil. It incorporates a sophisticated, advanced network topology design to ensure quality performance. To minimize distortion due to coil saturation, heavy gauge wire is used for inductors and SonicGuard high-frequency driver protection guards against damage caused by inadvertent overpowering of the system. It features 1/4" and speakon connectors. THe JRX118S is constructed of carpet-covered 3/4" MDF - a material that is structurally and acoustically superior to the particle board that is used by many competitive products. To ensure durability, JBL constructs these enclosures with advanced adhesives and closely mechanically spaced fasteners, while competitive systems typically rely on glue. Non-resonant, all metal handles are used and an 18 gauge, full metal grill protects the drivers. And of course, it's passed JBL's 100-hour full rated-power torture test.

Features:
  • 18 in. compact subwoofer.
  • 350 W (continuous), 1400 W (peak) power capacity.
  • The rugged enclosure is constructed from 19 mm (.75 in) MDF (Medium Density Fiberboard) using advanced adhesives and mechanical fastener technology for durability and improved low-frequency performance. The enclosure is covered in black carpet.
  • A top mounted, cast aluminum 35 mm pole mount receptacle can receive an optional SS3BK pole to facilitate use of the JRX118SP as a base for a midhigh speaker cabinet.
  • Non-resonant, all steel handles are used.
  • Attractive 18-gauge perforated steel grille protects components from damage.
  • 35 mm pole mount receptacle for use with satellite speakers.
Specifications:
  • Power Rating: 350 W / 1400 W
  • Frequency Range : 38 Hz - 300 Hz (-10 dB)
  • Frequency Response : 55 Hz - 300 Hz (±3 dB)
  • Sensitivity : 96 dB SPL
  • Nominal Impedence : 4 ohms
  • Recommended Amplifier Power : 350 W to 700 W into 4 ohms
  • Recommended Crossover Settings : 30 Hz HPF, 24 dB / octave; 80 - 100 Hz LPF, 24 dB / octave
  • Maximum SPL : 127 dB
  • Weight : 32.2 kg (71 lb)
  • Low Frequency Driver : JBL 2043-G
  • Input Connectors : Neutrik Speakon NL-4 (x1); .25 in TS phone jack (x1); parallel
  • (H x W x D): 23.5 in x 20.3 in x 22 in (597 mm x 516 mm x 559 mm)

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REVIEW SNAPSHOT®

by PowerReviews
JBL ProJBL JRX118S Portable 18Inch Subwoofer +
 
4.8

(based on 4 reviews)

Ratings Distribution

  • 5 Stars

     

    (3)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Attractive (3)

Cons

    Best Uses

        • Reviewer Profile:
        • Professional (4)

      Reviewed by 4 customers

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      Displaying reviews 1-4

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      (1 of 4 customers found this review helpful)

       
      5.0

      I would buy this products again"

      By Dj boricua

      from Miami, FL

      About Me Pro dj, Professional

      Pros

      • Attractive Design
      • Compact
      • Easy To Connect
      • Great Sound Quality
      • Powerful

      Cons

        Best Uses

          Comments about JBL Pro JBL JRX118S Portable 18Inch Subwoofer +:

          Professional mobile dj.

          (1 of 3 customers found this review helpful)

           
          5.0

          perfect

          By Johnny B

          from Providence R.I.

          About Me KJ DJ, Professional

          Verified Reviewer

          Pros

          • Easy To Connect
          • Great Sound Quality
          • Powerful

          Cons

            Best Uses

              Comments about JBL Pro JBL JRX118S Portable 18Inch Subwoofer +:

              perfect doe's everything it should .

              (2 of 2 customers found this review helpful)

               
              5.0

              Portable and light

              By Jam Master D

              from Texarkana Tx

              About Me Professional, Tech Savvy

              Verified Reviewer

              Pros

              • Attractive Design
              • Clear sound
              • Compact
              • Easy To Set Up
              • Great Sound

              Cons

                Best Uses

                • Basic Systems
                • Entertainment
                • Larger Rooms
                • Smaller Rooms

                Comments about JBL Pro JBL JRX118S Portable 18Inch Subwoofer +:

                For my use its perfect light and efficient....I DJ and I go alone with no crew so compact is good for me I have done large rooms with these

                (3 of 3 customers found this review helpful)

                 
                4.0

                Great Passive Sub

                By brandtsound

                from St. Paul, MN

                About Me Professional

                Verified Reviewer

                Pros

                • Attractive Design
                • Clear sound
                • Durable
                • Easy To Set Up
                • Great Sound

                Cons

                  Best Uses

                  • Production Quality

                  Comments about JBL Pro JBL JRX118S Portable 18Inch Subwoofer +:

                  This sub has some really amazing sound, especially when combined with the JBL JRX118SP Powered Sub. The pair of JBL subs are easy to set up- even for someone who isn't particularly tech savy.

                  Displaying reviews 1-4

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                  Do you have questions about this product?

                  get answers from real customers and in-house experts with AnswerBox.

                  10 Questions | 10 Answers
                  Displaying questions 1-10
                  • Q:

                    I just purchased two JBL JRX 125's and two JBL JRX 118's. I also purchased a QSC GX5 amp and a Peavey IPR 3000 amp. The Peavey amp has a crossover but is pushing more wattage than I'm comfortable pushing on the JRX118's. Should I purchase a crossover for this setup or would it be good to just run the 118's on my peavey amp and the 125's on my QSC amp?
                    Asked on 3/13/2012 by Nasty N8 from Salt Lak City

                    1 answer

                    • Staff Reviewer

                      A:

                      You could definately run the JBL JRX 118's off of your Peavey amp. The amps power is within the reccommended power range.

                      Answered on 3/23/2012 by Todd from Cypress
                  • Q:

                    I really like QSC Amps. Will the GX7 be too much power, or is the GX5 good enough to push a pair of thesse subs?
                    Asked on 10/11/2011 by Anonymous from Woodland Hills, CA

                    1 answer

                    • Staff Reviewer

                      A:

                      The GX5 will give you enough overhead to push a pair of these.

                      Answered on 10/12/2011 by Donovan from Cypress
                  • Q:

                    I Got
                    2 JBL JRX 125 &
                    Peavey Amp 900
                    would i neeed upgrade my amp or get other amp to run the 2 118s and the two JRX 125s?
                    Asked on 10/11/2011 by dj zero from new mexico

                    1 answer

                    • Staff Reviewer

                      A:

                      Depending on the wattage you actaully need is something we can talk and get you the right amp. Call us up to talk more about what you need. 1800 268 5520

                      Answered on 10/12/2011 by Jack from Cypress, CA
                  • Q:

                    Are two are these sub good to run on on side of the peavey ipr 3000 while running two of yamaha s215v tops
                    Asked on 6/6/2011 by Dj Allen Ray from Shreveport

                    1 answer

                    • Staff Reviewer

                      A:

                      This may be a bit much on the low end i suggest calling me to discuss this combination. You can reach me at my extension 8124 -Jay

                      Answered on 6/7/2011 by Anonymous
                  • Q:

                    Ok, i know these are 4 ohm subs. My question is if I run a cable from my QSC amp running mono mode to one of the subs and then run a jumper cable to the another sub then won't the load be reduced to 2 ohms? This should burn out my QSC which is not able to run a 2 ohm load..right? I am currently running this setup and things are working and nothing has burned out yet but the subs don't really sound strong. I guess that the THD bringing down the signal quality. So...why isn't the amp burning out if I am running a pair - 4 ohm subs off the amp??
                    Asked on 1/25/2011 by LK from South Carolina

                    1 answer

                    • Staff Reviewer

                      A:

                      You will have to view QSC's information on there website about the amps or contact there tech service department.

                      Answered on 2/21/2011 by Anonymous
                  • Q:

                    What is the frequency range of this sub?
                    Asked on 1/12/2011 by DJMikeT from Houston, TX

                    1 answer

                    • Staff Reviewer

                      A:

                      As per JBL's website: 38 Hz - 300 Hz (-10 dB)

                      Answered on 1/17/2011 by MO from ext. 8226
                  • Q:

                    i have a 600watt x2 power amp @ 4 ohms. I want to get the best subwoofer for the job. Is this the right sub for me? Or is there a better option. I figured that I could get one to start with to run in mono. Then later add a second one, if that would be wise. Am i making the right decision getting this speaker?
                    Asked on 8/11/2010 by DJ Quantum Interference from Pensacola, FL

                    1 answer

                    • Staff Reviewer

                      A:

                      It really depends on what kind of setup and specifically which amp you have. Please call us directly so one of the product advisors can help you out.

                      Answered on 8/13/2010 by Prince from Cypress, CA
                  • Q:

                    i have a peavy xr8600 amp/mixer. I want to use it to push as much speaker as possible. It has 1200 watts @4 ohms availible (600w x2). I plan in using the amp to push subs only. Is this the right sub for me. Can i switch my amp to 8 ohm? should I? This is my first passive speaker purchase, and i want to get the best speaker i can. (My full-range speakers are 2 American Audio PXI-15's.) I have my eye on this sub (maybe i could add a second one later?). I already have the amp (i traded it from a friend). Thanks
                    Asked on 8/4/2010 by Pete from Pensacola, FL

                    1 answer

                    • Staff Reviewer

                      A:

                      Peavey 18INLOWRIDER 18In Lowrider Subwoofer would be perfect for this setup!

                      Answered on 8/6/2010 by Stephen from PSSL from Cypress, CA
                  • Q:

                    How does the sound quality and frequency response in these bass cabinets compare with the higher end single 18" JBL Subs?
                    Asked on 5/27/2010 by djcscoop from columbia sc

                    1 answer

                    • Staff Reviewer

                      A:

                      The higher-end models offer increased wattage and frequence response. With proper amplification (1.5 times wattage of speakers continuous rating).

                      Answered on 6/1/2010 by hv from Cypress, CA
                  • Q:

                    I have a peavy amp that i put in brige mode to push two sp 118 subs the amp is 3000 watts in brige mode the two sub are 1200 watts continue program 2400 peak,the subs are 8 ohms which change's to 4 ohms.I want to know if this amp will push two 4 ohm jbl-jrx 118 subs if i pig tail all 4, the jbl's are 350 continue and 1400 peak at 4 ohms. will they become 2 ohms?
                    Asked on 5/18/2010 by Dj Big Will from Conyers, Ga.

                    1 answer

                    • Staff Reviewer

                      A:

                      No, the ohm load will be too low

                      Answered on 5/20/2010 by Anonymous
                  Displaying questions 1-10

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