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Rockford Fosgate R2SD4-12 Open Box Complete (Very Good, Used)

500W Max (250W RMS) 12" Prime Stage 2 Shallow Mount Dual 4 ohm Subwoofer

Rockford Fosgate
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• Item Condition: Open Box
• 500W Peak
• 250W RMS
• Mica Injected Polypropylene Cone
• StampCast Basket
• Anodized Aluminum Voice Coil Former
• Frequency Response: 45-250 Hz

Learn more about the ls-r2sd412-obc6

We apologize

This item has been discontinued

Description


Rockford Fosgate 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.

Open Box (Complete): Item was previously installed and used. Item is in good condition and has been tested to be fully functional. Nonessential accessories (screws) may have been replaced with generic parts.

Key Benefits

  • 12" Dual 4 ohm Shallow Mount Prime Stage 2 Series Subwoofer
  • Power Handling:

  •  
    • Peak: 500 watts
    • RMS: 250 watts
  • Recommended power range: 100 - 250 watts RMS
  • CEA-2031 Compliant
  • Klippel Verified
  • Shallow Motor Assembly
  • 12 AWG compression terminals
  • Optimized for sealed enclosures
  • Mica injected polypropylene cone
  • StampCast basket with integrated spider venting
  • Linear spider with embedded 16 AWG tinsel leads
  • Unique low profile "inset" design, high excursion woofer
  • High density compressed half-roll sealed poly-foam surround
  • Proprietary attached tear & fatigue resistant poly-cotton spider
  • Suited for sealed enclosure applications, capable for use in vented boxes as well
  • Optimized motor magnetics with extended pole and bumped vented backplate
  • Fatigue resistant and reduced strain "stitched on" flexible lead wire design
  • Multi-point high-temp/high-strength neck joint bonding technique

  •  
  • High temp copper voice coil with aluminum former
  • All metal compression input terminal assembly
  • Semi-flexible PVC integrated trim ring
  • Heavy guage stamped steel frame
  • Mounting Depth: 3.602"
  • Cutout Diameter: 11.25"
  • Magnet Weight: 51.0 oz
  • Frequency Response: 43 - 250 Hz
  • Xmax: 10 mm
  • Sensitivity: 85 dB @ 1 watt / 1 meter
  • Recommended Ported Enclosure: 1.79ft³ @40.0Hz
  • Recommended Sealed Enclosure: 0.90ft³ @44.1Hz
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually

Check out the Rockford Fosgate R2SD4-12 Owner's Manual

Check out the Rockford Fosgate R2SD4-12 Data Sheet

Tips for Installing the R2SD4-12 Subwoofer


Subwoofer Wiring Guide


Wiring Guide to Wire 1 Rockford Fosgate R2SD4-12 Open Box Complete (Very Good, Used) Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Rockford Fosgate R2SD4-12 Open Box Complete (Very Good, Used) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Rockford Fosgate R2SD4-12 Open Box Complete (Very Good, Used) Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Rockford Fosgate R2SD4-12 Open Box Complete (Very Good, Used) Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
Prime R2 Series
Subwoofer Size
12"
Peak Power Handling
500 watts
RMS Power Handling
250 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Voice Coil Diameter
2"
Frequency Response
43 - 250 Hz
Sensitivity
85 dB
Xmax (millimeters)
10 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Mica Injected Polypropylene - MIPP
Woofer Surround
Poly-Foam
Magnet Structure
Single Stacked
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Optimum Sealed Box Volume
0.90 cubic feet
Optimum Ported Box Volume
1.79 cubic feet
Top-Mount Depth (Mounting Depth)
3.602"
Cutout Diameter
11.25"
Shallow Mount Installation
Yes
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
30.3 Hz
Equivalent Compliance (Vas)
65.4 liters
Total Speaker Q Value (Qts)
0.65
Electrical Q Value (Qes)
0.72
Electrical Resistance of Voice Coil (Re)
6.80 ohm
Mechanical Q Value (Qms)
7.00
Efficiency Bandwidth Product (EBP)
42
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

R2SD4-12 Open Box Complete-2

Weight:

11.00lbs

Internal SKU:

ls-r2sd412-obc6

Internal Product ID:

132019

Customer Ratings & Reviews


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