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JBL S2-1224 **Toggle between 2-Ohm & 4-Ohm Impedance!**

1100W 12" Series II Subwoofer with Selectable 2-Ohm or 4-Ohm Impedance

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• 275 Watts RMS
• Polypropylene Cone
• Nitrile Butadiene Rubber (NBR) Surround
• SSI (Selectable Smart Impedance)
• Oversized 2.0" Voice Coil
• Sensitivity: 93 dB

Learn more about the s21224

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Product Highlights


• 275 Watts RMS
• Polypropylene Cone
• Nitrile Butadiene Rubber (NBR) Surround
• SSI (Selectable Smart Impedance)
• Oversized 2.0" Voice Coil
• Sensitivity: 93 dB

Description


JBL brand icon

Authorized dealer



JBL 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, And an oversized voice coil handles more power than common voice coils.


Key Features:

    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.

    Oversized voice coil


    The two-inch voice coil proves you don't have to be a heavyweight to pack a serious punch. It handles more power than conventional voice coils, yet it's lighter than three-inch voice coils. It strikes the perfect balance between thermal power handling and low mass.


The Sound of quality

Sonic Electronix, one of the leaders in car audio, recently visited Harman, the premium global audio and infotainment group, at their research and development locations in Northridge, California and Detroit, Michigan. The purpose of these visits was to utilize and combine the powerful brand of Harman and the industry leading knowledge behind Sonic Electronix to begin working together on developing future car audio projects.




General Features:

  • 12" Series II Car Audio Subwoofer
  • Power Handling:
    • Peak: 1100 watts
    • RMS: 275 watts
  • Recommended power range: 150 - 350 watts RMS
  • Nominal Impedance: Single 2 or 4 ohm
  • Polypropylene Cone
  • Nitrile Butadiene Rubber (NBR) Surround
  • SSI (Selectable Smart Impedance)
  • Oversized 2.0" Voice Coil
  • Spade Quck-connect Terminals
  • Stamped Steel Basket Frame
  • Top-mount depth: 6-1/2"
  • Cutout diameter: 11-1/4"
  • Frequency Response: 25 ~ 175 Hz
  • Xmax: 10.25 mm
  • Sensitivity: 93 dB
  • Sealed Enclosure Recommendation: 0.75ft³
  • Ported Enclosure Recommendation: 2.50ft³
  • *Infinite-baffle Mountable
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • Priced Individually

Check out the JBL S2-1224 Owner's Manual

*Infinite-baffle mounting is possible, but the subwoofer's mechanical power handling will be reduced because there will be no volume of air to stiffen the subwoofer's suspension and prevent overexcursion. If you choose infinite-baffle mounting, consider the RMS and peak power-handling ratings to be half of what is listed

Tips for Installing the your subwoofer



PROP 65 WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov

Product history:

JBL S2-1224 thumbnail
(newest, current model)
JBL GT5-12 thumbnail
(previous model, replaced by JBL S2-1224 **Toggle between 2-Ohm & 4-Ohm Impedance!**)
JBL GT4-12 thumbnail
(previous model, replaced by JBL GT5-12)

This item is currently not eligible for our low price guarantee. This may be due to supply constraints, manufacturer restrictions, or another reason. We're always here to help you get the best price possible so give us a call or email today. Our experts will do their best to build the system that works for you within the rules.

Subwoofer Wiring Guide


Wiring Guide to Wire 1 JBL S2-1224 **Toggle between 2-Ohm & 4-Ohm Impedance!** Subwoofer

Mono Amp

Wiring Guide to Wire 2 JBL S2-1224 **Toggle between 2-Ohm & 4-Ohm Impedance!** Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 3 JBL S2-1224 **Toggle between 2-Ohm & 4-Ohm Impedance!** Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 JBL S2-1224 **Toggle between 2-Ohm & 4-Ohm Impedance!** Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Subwoofer Size
12"
Peak Power Handling
1100 watts
RMS Power Handling
275 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
2 or 4 ohm
Voice Coil Diameter
2.0"
Frequency Response
25 - 175 Hz
Sensitivity
93 dB
Xmax (millimeters)
10.25 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Polypropylene
Woofer Surround
Nitrile Butadiene Rubber NBR
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Optimum Sealed Box Volume
0.75 cubic feet
Optimum Ported Box Volume
2.50 cubic feet
Top-Mount Depth (Mounting Depth)
6.50"
Cutout Diameter
11.25"
Shallow Mount Installation
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

JBL

Model Number:

S2-1224

Weight:

13.00lbs

Internal SKU:

s21224

Internal Product ID:

98697

Product and How-to Videos


  • JBL Series II Car Subwoofers w/ Selectable Impedance | Product Overview
  • Harman International: The Pursuit of Great Sound
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?
  • How to Install a Car Subwoofer in a Box

Customer Ratings & Reviews


JBL S2-1224 **Toggle between 2-Ohm & 4-Ohm Impedance!** thumbnail image

5 star
79%
4 star
15%
3 star
6%
2 star
0%
1 star
0%



Durability
4.7
Value
4.9
Features
4.6
Design
4.7
Usability
4.9

Customer Reviews

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Awesome sound and underrated RMS power handling.

The following review is for a previous version (GT5-12).

these subwoofers really really kick out the tunes. the powerhandling is way underrated and the can definitly handle more power than they say. i currently have them wired for 2 ohms and 1000 watts RMS between 2 of these and now my rear view mirror looks down when i crank the volume. these subs really get the job done and sound clean and undistorted the whole way through. also, they produce low notes beyond the rated 27Hertz.

By matthew on August 8, 2009

60 found this helpful


Great buy!

The following review is for a previous version (GT5-12).

This is a fantastic buy. Amazing for the price.

By alex on August 10, 2010

58 found this helpful


great buy

The following review is for a previous version (GT5-12).

Bought 2 of these a few a days ago. Awesome subs. Great sound quality and they hit!! I have them in a sealled box. in a 99 eclipse. and the make my rear view mirror fall till it faces down. I can't wait to get a 600rms amp and really push these things. I would def recomend these subs. especially it your on a budget.

By jess on May 18, 2011

58 found this helpful


Personal Experience Says This Is One Excellent value

The following review is for a previous version (GT5-12).

Hi, everyone, welcome to this review. Let me start this off with just telling a little bit about myself and my audio background. Being an Electrical Engineer, efficient and well-thought out design is key to any and all products which I consume. I've gone through the all the stereo in a boxes and decided to step things up and design a home system from the ground up each component carefully hand picked on a budget of $500 for the whole system.
The system: This 12" rated subwoofer driver was chosen to go into my hand built 3/4" MDF ported 2.05 cubic foot enclosure (not including port or driver displacement). It is driven by an MB Quart Discus 4-channel A/B amplifier with channels 3 & 4 bridged, feeding 320 watts of rated power. The amp feeds off a 400 watt continuous rated DC power supply. Though I rarely take advantage of all the available power.
Performance: While I only have personal experience with a few budget subwoofer drivers, I am a musician with a keen ear for sound nuances (I'm also somewhat of a bass fiend). I own earbuds and headphones that produce very flat sub bass curves, easily down to 20 hz, these can outdo any 12" subwoofer driver in below 35 hz sub bass, So I know what to look for. After more than 100 hours of listening with every possible musical genre, I can say that this performs as well as expectations. My main focus in a sub driver was to have very accurate and LOW frequency reproduction. Now, anyone with experience in these matters knows that ratings don't necessarily line up with reality. (Notice there is no threshold mentioned [such as +/- 3 dB]... vague ratings are hard to get an accurate idea of actual performance. However other reviews around the internet, along with the a look at the manufacturer supplied frequency response graphs, seemed to also give me the impression that this driver stands above the rest in low frequencies. Now, it all depends on the acoustic environment obviously. A car is much friendlier to low frequency reproduction than a big room, hence the reason for choosing this driver. Using my own tests with test tones and the sub placed optimally for the listening vantage point to be squarely in an anti-node for very low sub-bass frequencies (below 40 hz), I came up with, to my ear, about 33 to 35 hz accurate frequency reproduction and topping out slightly above 100 hz --- this is with the threshold being half the peak volume. As far as I know this is quite good for a setup such as mine. A 12" Pioneer sub of equal cost and same setup was much higher at this threshold (about 40-42 hz). At sub frequencies this low, the difference is very noticeable in bass music tracks, and even in the low rumble of a concert bass drum, however metal/rock/country/pop or what have you, the difference will be unnoticeable.
In summation: this driver performs very well at it's intended purpose low frequency reproduction, in the price range of less than $100. If you intend to burp out 40-70 hz bass at incredible dB, you could probably do better (get a low-end kicker model or some such, they might handle more power, but it seems some of those drivers don't respond well in ultra sub-bass). Very happy with this purchase.

By Hamiltonian Bass Fiend on March 27, 2011

56 found this helpful


Bass On A Budget

The following review is for a previous version (GT5-12).

I recommend this sub for anybody who just want to shake the inside of they car with a budget.Hook it up to a 300w RMS Mono and a custom vented box and your done and please don't dream of shaking your neighbors windows. But anyway good value from JBL.

By Max on March 13, 2011

55 found this helpful


WoW!

The following review is for a previous version (GT5-12).

These subs are awesome for the value. Can't get any better than this! I love Sonic Electronix!

By Sean on January 28, 2009

55 found this helpful


Best bang for the buck

The following review is for a previous version (GT5-12).

A subwoofer with 14mm of REAL xmax for this price is unbelievable. It wasn't long ago a subwoofer of this quality would set you back quite a lot. The build quality is excellent from the heavy gauge stamped basket to the rubber coasted tinsel leads. All of the glue joints seemed neat and clean, I have no reason to believe this sub won't last me the life of my car.

In my opinion this woofer is completely underrated at 275W RMS. A 2" coil with vented pole piece means thermal compression should be minimal. A large linear throw, and progressive spider to handle high power transient peaks means the woofer is mechanically robust. As long as you have a moderately sized sealed enclosure or a PROPERLY designed ported box 400-500W should be no problem for this beast.

I've been running two of these in a sealed enclosure (1cf per sub no fill) with 300W RMS of class AB power. They're as efficient as any subwoofer I've used before, and handle everything down to 20Hz with plenty of control. The haven't struggled with anything I've thrown at them and just sound darn good with all types of music.

The only thing I don't like is the cheesy plastic dust-cap. I liked the old orange JBL logo with the peak wattage stamped proudly in large font. Oh well, nothing is perfect.

By Jason on April 17, 2009

52 found this helpful


nice sub for $$

The following review is for a previous version (GT5-12).

got it hooked to a 600w mono and it sounds like I wanted it to. Not gonna blow the windows out but fills out the sound and can kick when necessary. great experience all around with the sub and sonic!

By mike on January 26, 2011

51 found this helpful


Decent subwoofer

The following review is for a previous version (GT5-12).

One of the better entry level subs around. The JBL GT5-12 once matched with the right amp, will not disapoint.

By Kevin on May 2, 2010

52 found this helpful


More impressed than the rock P1 or P2

The following review is for a previous version (GT5-12).

Was quite surprised in the sound quality and the difference in the bass that it produced compared to the difference surface design of my Rockfords.
Personal fan of the type R but will def do for a replacement and for time being.

By SB on November 1, 2011

49 found this helpful




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