Additional InformationJBL believes sound quality should never be compromised. And Series III subwoofers make sure you don’t have to compromise flexibility, either. That’s because the high-performance, step-up subwoofers feature SSI™ (Selectable Smart Impedance), an exclusive impedance switch that lets you select the optimum impedance—2 or 4 ohms—for your system. Special aero-cooling design in the voice coil boosts power handling as well as reliability. And an oversized voice coil handles more power than common two-inch voice coils. More power, more reliability, more flexibility—and no compromising. When you’re ready to step up, Series III is your subwoofer.
High-performance, step-up Series III subwoofers offer an exclusive dual impedance selector switch, plus aero-cooled voice coil design for greater power handling and reliability.
At a Glance:
SSI™ (Selectable Smart Impedance)
Aero-cooled voice coil
Oversized voice coil
Premium screw-down terminals
What's in the Box:
- SSI™ (Selectable Smart Impedance)
- Most car audio system designs call for 2- or 4-ohm impedance. Series III subwoofers feature an exclusive dual impedance switch that lets you choose either load impedance option. Not available from any other manufacturer, SSI lets you reconfigure your system by simply flipping a switch.
- Aero-cooled voice coil
- The Series III voice coil significantly increases power handling and improves reliability by going with the flow—of air. The woofer’s motor channels air pumped by the cone movement past the voice coil, and the voice coil former exposes the coil’s inner and outer surfaces to the airflow. This aero-cooling design is unique among aftermarket subwoofers.
- Oversized voice coil
- The three-inch (75mm) voice coil proves you don’t have to be a heavyweight to pack a serious punch. It handles more power than conventional two-inch voice coils, yet it’s lighter than four-inch voice coils. It strikes the perfect balance between thermal power handling and low mass.
- Premium screw-down terminals
- Power is the lifeblood of any subwoofer. The terminals on the Series III accommodate up to 8-guage wire (8.37mm2 cross section), which transfers low-resistance, low-loss power to the woofer, even over long wire runs. This ensures the subwoofer—and your music—has the power it needs.
Legendary JBL Sound
You don't have to venture far from home to experience the legendary power of the JBL sound. Complete 5.1 home theater sound. Includes 4 satellite speakers, a center channel and room-shaking subwoofer.
Manuals & Downloads:
- Frequency Response
- 25 Hz - 175 Hz
- Power Handling (Peak)
- 1500 W
- 92 dB
- Power Handling (RMS)
- 500 W
- Voice Coil
- 63 mm
S3-1224 is rated out of 5 by 8.
Rated 5 out of 5 by Eboo from Deep bass I like this subwoofer on sealed box. It has a very nice bass. I deal with audio systems since I was little. Jbl subwoofers has a great Hz response which mean more bass. I was originally planing to put 2 but 1 is plenty. This set up works great amazing sound . I couldn't be any happier.
Date published: 2017-11-28
Rated 5 out of 5 by Billythakidd from Hits Hard!!! It hits nice and smooth. I put it in a nice enclosure vented box.
Date published: 2017-03-07
Rated 5 out of 5 by Chop from Great quality I just got this today and it's a beast. I can feel it in my chest
Date published: 2015-07-18
Rated 5 out of 5 by Scoot from I love it I got these from a local stereo shop. And they are a beast. I haven't even broken them in yet and they have a smoothe strong beat at 2om
Date published: 2017-03-04
Rated 5 out of 5 by Mr Sussi from Sieht nicht nur gut aus macht auch mächtig druck Hab richtig Spaß mir das Teil anzusehen aber noch wichtig ist das er auch was kann für die Größe das Geld ist er unbeschreiblich schön. Macht wenn ich es will 120 Db, das tut richtig gut.
Date published: 2017-05-09
Rated 2 out of 5 by WinterJBL from For JBL... ok... What happened to you guys? This is your selling flag ship now? It's mechanical specs shows sloppy, and a BL factor isn't even present which to me, means a waste of time to even input for theoretical specs... every since you did the GTi series, you went WAY down on quality.... you want someone who knows what's really JBL quality, you email me at the email given below (initials is JBL). Otherwise, flag ship drivers like this are nothing but paper weights.
Date published: 2018-02-21
Rated 5 out of 5 by eman from Real BASS from JBL Great sub feeding it 500 RMS. from a JBL MS-A5001 Digital signal processing amplifer
Date published: 2018-02-28
Rated 5 out of 5 by Manu98 from Sehr geiler Woofer Schiebt richtig gut und klanglich Hammer Auch auf 2 Ohm :D
Date published: 2017-12-07
Hi, I have purchased two of these subwoofers and I would like to know which amplifiers you would best recommend to run them please?
Hi, and thank you for supporting JBL! You have two very powerful subwoofer drivers, and I will always recommend plenty of power, in order to avoid running into problems due to lack of power. Such problems could be lack of control, clipping of the output waveform and consequent damage. Of course, this is only relevant if you really want to push the woofers to the limit from time to time. Our best amplifier for the purpose is the GTR-1001. You should select 4 Ohms on both woofers, connect them in parallel and connect them both to the amp, which will see into a 2 Ohm load, producing about 1.000 Watts. You can of course also purchase two smaller amps, like the GX-A3001, and run them into the woofers that can be set to 2 Ohms, where the amps will produce up to 300 Watts for each woofer. I hope this helps.
Date published: 2018-08-07
Beste, Heb de sub besteld alleen wil een gesloten kist en de sub op ze kop hoeveel liters heb ik nodig?
Hi Mike, Helaas kunnen wij dit niet voor je beantwoorden. Dit zal je zelf kunnen berekenen, in de handleiding vind je hiervoor de Thiele Small informatie. Deze informatie heb je hiervoor nodig, en elke afwijking in afmetingen van de kist kan het geluid beinvloeden. Door zelf e.e.a. te wijzigen kan je de klank zelf naar je eigen wens aanpassen, dus hiervoor is enige kennis van speakers nodig. Ik wil je aanraden om, als je dit niet eerder zelf hebt geprobeerd, hiervoor advies bij een car-audio specialist in te winnen.
Date published: 2018-05-03
Are you guys making more of these speakers? If so when will they be avaible
Sadly, the S3-1224 has already been discontinued.
Date published: 2018-04-06
Ik heb deze sub gekocht maar weet niet goed of ik een ported box of een sealed box moet maken. Ik luister meestal naar hardstyle en hardcore.
Goedemorgen, In principe zijn beide een goede optie voor de S3-1224, en is het heel persoonlijk wat je het beste vindt klinken. Een sealed kast/box geeft een dieper en meer zuivere bass en werkt met een kleinere kast, maar heeft en krachtige versterker nodig om volume te genereren. Een vented kast/box produceert minder precies bassgeluid, heeft meer ruimte nodig, maar is daarentegen luider met een minder krachtige versterker.
Date published: 2018-03-28
I have Alpine MRV-M500 amplifier up to 500 RMS continuous power at 2 ohms and I’m not sure if this subwoofer is compatible? Thank you
Thank you for your question. The S3-1224 is compatible with your Alpine Amp since the Sub is capable of handling 500W on either 2 or 4 ohms rating.
Date published: 2018-09-03
i was wondering what the size specs are on this woofer. particularly the mounting depth.
The mounting depth of the speaker is 7" (177mm). These information and what sizes of the enclosures can be found in our Owner's manual.
Date published: 2018-03-20
How do you wire 2 of these for a 2ohm load to a mono channel amp?
We would like to work with you directly to help you with your issue. Please submit a case request at https://www.jbl.com/support-contact.html and the Customer Service Team will be more than happy to assist you.
Date published: 2018-01-28
Would the Club 4505 amp be good for two of these
Yes, the Club 4505 would be a good amp to use for your setup.
Date published: 2017-12-28
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