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RE Audio SXX15D4 Open Box

15" Dual 4 ohm SXX Series Car Subwoofer

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15" SXX Series Car Subwoofer • 1000 Watts RMS • Dual 4 ohm • Rubatek Foam Surround • Dual Composite 2-Piece Cone • Tork-Tite Terminals • Progressive Spiders • Triple Stacked Magnets

Learn more about the LS-sxx15d4-OB

We apologize

This item has been discontinued

Product Highlights


15" SXX Series Car Subwoofer • 1000 Watts RMS • Dual 4 ohm • Rubatek Foam Surround • Dual Composite 2-Piece Cone • Tork-Tite Terminals • Progressive Spiders • Triple Stacked Magnets

Description


RE Audio 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.

RE Audio SXX Subwoofers

RE Audio raises the bar for high output with the SXX line of their competition grade, high excursion subwoofers. With an impressive power handling rating of 1000 Watts RMS – this subwoofer shows you it’s meant for those serious about quality bass.

Every single component of this subwoofer has been crafted with precision in mind to obtain full, impactful bass. From its 3” eight layer aluminum flat voice coil, to its triple stacked magnets this high powered subwoofer will output with fine clarity.

The entire SXX line of subwoofers can handle an impressive 1000 watts of RMS continuous power, no matter the size! With its large Rubatek Foam surround and FEA optimized motor structure; this woofer can handle large amounts of power, while maintaining durability. The RE Audio SXX Subwoofers series is certainly one subwoofer manufactured with hi-fidelity audio in mind.

Subwoofer Features:
  • 15" Dual 4 ohm SXX Series Car Subwoofer
  • Product is Open Box
    • Previously Installed
    • Install Marks
  • Power Handling:
    • RMS: 1000 watts
  • Impedance: Dual 4 ohm
  • Dual composite 2-piece cone
  • Rubatek foam surround
  • FEA Optimized motor structure
  • Progressive spiders
  • Wrap around rubber gasket
  • Tork-Tite terminals
  • 3" 8-Layer voice coil
  • Cast aluminum basket
  • Triple stacked magnets
  • Designed specifically for ported/vented enclosures
  • Also available in a Dual 2 ohm: RE Audio SXX15D2
  • Proudly made in the USA
  • Also found as: sxx 15, sxx15, sxx 15d4, sxx-15, sxx-15d4
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
SXX 15" T/S Parameters:
  • Electrical Q Value (Qes): 0.38
  • Mechanical Q Value (Qms): 4.7
  • Total Speaker Q Value (Qts): 0.38
  • Free Air Resonance (Fs): 27.8 Hz
  • Equivalent Compliance (Vas): 126.3 liters
  • One-Way, Linear Excursion (Xmax): 22 mm
  • Efficiency (SPL 1W/1m): 90.4 dB SPL
  • Effective Piston Area (Sd): 810 cm2
  • DC Resistance (Re): 1.9 ohm
  • Nominal Impedance (Znom): Dual 4 ohm
  • Thermal Power Handling (Pe): 1000 W
  • Force Factor (Bl): 21

For more information on the Thiele and Small Parameters, visit our T/S Parameters Article

Subwoofer Wiring Guide


Wiring Guide to Wire 1 RE Audio SXX15D4 Open Box Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 RE Audio SXX15D4 Open Box Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 RE Audio SXX15D4 Open Box Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 RE Audio SXX15D4 Open Box Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
SXX Series
Subwoofer Size
15"
RMS Power Handling
1000 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Voice Coil Diameter
3"
Sensitivity
90.4 dB
Xmax (millimeters)
22 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Dual Composite 2-Piece Cone
Woofer Surround
Rubatek Foam
Magnet Structure
Triple Stacked
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Minimum Ported Box Volume
3.0 cubic feet
Maximum Ported Box Volume
4.0 cubic feet
Top-Mount Depth (Mounting Depth)
8-1/2"
Cutout Diameter
14"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
27.8 Hz
Equivalent Compliance (Vas)
126.3 liters
Total Speaker Q Value (Qts)
0.38
Electrical Q Value (Qes)
0.38
Electrical Resistance of Voice Coil (Re)
1.9 ohm
Mechanical Q Value (Qms)
4.7
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SXX15D4-OB

Weight:

30.00lbs

Internal SKU:

LS-sxx15d4-OB

Internal Product ID:

45829

Product and How-to Videos


  • RE Audio New Product Line Overview | CES 2015
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?

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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.