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JBL S2-1224 (Open Box, Complete)

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

JBL
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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 ls-s21224-obc5

We apologize

This item has been discontinued

Description


JBL brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

Item Condition - Open Box, Good Condition:
A Good Open Box used product shows wear from consistent use, but it remains in good condition and works perfectly. It may be marked, have identifying markings on it, or show other signs of previous use or installation. Original packaging, paperwork or protective wrapping may be missing or not included in its entirety. Warranty details are included in the item description or comments.


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 S2-1224-3 thumbnail
(newest, current model)
JBL GT5-12 thumbnail
(previous model, replaced by JBL S2-1224 (Open Box, Complete))
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 (Open Box, Complete) Subwoofer

Mono Amp

Wiring Guide to Wire 2 JBL S2-1224 (Open Box, Complete) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 3 JBL S2-1224 (Open Box, Complete) Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 JBL S2-1224 (Open Box, Complete) Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp

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:

S2-1224-3

Weight:

13.00lbs

Internal SKU:

ls-s21224-obc5

Internal Product ID:

182061

Customer Ratings & Reviews


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JBL Club WS1200 BLK (CLUBWS1200BLK) - Open Box, Good Condition (Used)

1000W 12" Club Series 2 or 4-Ohm Selectable Shallow-mount Subwoofer (ClubWS1200BLK)

$79.95

List price $279.95

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.