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JBL Series II 550 Watt RMS Dual 12" Bass Package (S21224 + GTX500)

Two JBL Series II 12" Subwoofers with Selectable 2 Ohm or 4 Ohm Impedance + GTX Series Class-D Monoblock Amplifier with Installation Kit

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• 1100W Max Each 12" Series II Car Audio Subwoofer
• Oversized 2.0" Voice Coil
• JBL Mono Subwoofer Amplifier
• Frequency Response: 20 - 200 Hz (±0.5 dB); 10 - 300 Hz (±3dB)
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

Learn more about the s21224x2_gtx500_bak42

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This item has been discontinued

Product Highlights


• 1100W Max Each 12" Series II Car Audio Subwoofer
• Oversized 2.0" Voice Coil
• JBL Mono Subwoofer Amplifier
• Frequency Response: 20 - 200 Hz (±0.5 dB); 10 - 300 Hz (±3dB)
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

Description


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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.


1100w 12" Series II Subwoofer with Selectable 2-Ohm or 4-Ohm Impedance Quantity: 2

General Features:

  • 12" Series II Car Audio Subwoofer
  • Power Handling:
    • Peak: 2200 watts per pair /1100 watts each
    • RMS: 550 watts per pair / 275 watts each
  • Recommended power range: 150 - 350 watts RMS
  • 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


JBL GTX500 (GTX 500)

770W Max (500W RMS) GTX Series Class-D Monoblock 2-Ohm Stable Amplifier
Quantity: 1

General Features:

  • JBL Mono Subwoofer Amplifier
  • RMS Power Rating:
    • 4 ohms: 350 watts x 1 chan.
    • 2 ohms: 500 watts x 1 chan.
    • 1 ohm: ----------N/A----------
  • Total max power output: 770 watts
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Soft start turn-on
  • Signal sensing turn-on
  • Speaker-level (high-level) inputs
    • Bare wire-to-RCA adapters included
  • Removable endcaps for clean installs
  • Nickel plated Power, Ground and Speaker connections
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • High-density split-dome convection heat-sink for extreme heat dissipation
  • Input sensitivity:
    • Low level: 100mV - 2V
    • High level: 2V - 15V
  • Frequency Response: 20 - 200 Hz (±0.5 dB); 10 - 300 Hz (±3dB)
  • Signal to Noise Ratio: > 80 dB
  • Variable Bass Boost: 0 to +12 dB @ 45Hz
  • Variable low-pass filter: 40 - 280 Hz
  • Fuse Rating: 25A x 2
  • 4 gauge power and ground wiring is recommended for installation.
  • Dimensions: 8-3/8"W x 9-11/16"L x 2-9/16"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty


Check out the JBL GTX 500 Owner's Manual



Belva BAK42

Complete 4 Gauge Amplifier Wiring Kit with 2-Channel RCA Interconnects (CCA Wiring)
Quantity: 1

General Features:

  • Complete 4 Gauge 2-Channel Amplifier Installation Kit
  • Designed specifically for car audio systems up to 1000 watts RMS
  • Premium Powerflex power and ground wire provides optimal power transfer
  • Made from Copper-Clad Aluminum for a pure uninterrupted transfer of power and signal
    • Belva CCA wire is made from 30% copper while other CCA wire is just 10% copper
  • Helical Twist Construction Audio Interconnect RCA cables minimize noise and interference
  • In-line Mini-ANL Fuse holder with a 80 amp Mini-ANL fuse offers ideal protection for high powered systems
  • Also available in Black, Blue and as a 4-Channel Kit
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Kit includes:

  1. 17 ft. (5.2 meters) Red 4 gauge power wire
  2. 3 ft. (.91 meters) Black 4 gauge ground wire
  3. 17 ft. (5.2 meters) Gray 18 gauge remote lead wire
  4. 17 ft. (5.2 meters) Helical Twist 2-channel RCA interconnect cable
  5. 20 ft. (6.1 meters) 16 Gauge Speaker cable
  6. One In-line Mini-ANL Fuse Holder with a 80 amp Mini-ANL fuse
  7. One Black rubber firewall grommet
  8. One 4 Gauge red chrome plated ring terminals
  9. One 4 Gauge black chrome plated ring terminal
  10. Three 18 Gauge red Spade terminal
  11. Two 18 Gauge black Spade terminal
  12. One 18 Gauge red butt connector
  13. Ten 4" Black zip ties

Subwoofer Wiring Guide


Wiring Guide to Wire 1 JBL Series II 550 Watt RMS Dual 12" Bass Package (S21224 + GTX500) Subwoofer

Mono Amp

Wiring Guide to Wire 2 JBL Series II 550 Watt RMS Dual 12" Bass Package (S21224 + GTX500) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 3 JBL Series II 550 Watt RMS Dual 12" Bass Package (S21224 + GTX500) Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 JBL Series II 550 Watt RMS Dual 12" Bass Package (S21224 + GTX500) Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Subwoofer Size
12"
Peak Power Handling
2200 watts
RMS Power Handling
550 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
2 or 4 ohms
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:

S21224X2_GTX500_BAK42

Weight:

35.75lbs

Internal SKU:

s21224x2_gtx500_bak42

Internal Product ID:

117791

Product and How-to Videos


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