Garage
Shop

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
Shop all Rockford Fosgate
highlight-star-icon

• 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

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 ohms
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
Electromechanical Parameters
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 ohms
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

Weight:

11.00lbs

Internal SKU:

ls-r2sd412-obc6

Internal Product ID:

132019

Customer Ratings & Reviews



5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found

Add-ons


Similar Products

Best selling similar products

Kicker CWR122 (48CWR122)

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 2 ohms
• Polypropylene Cone
• Santoprene Rubber Surround
• Mount depth: 5-3/4"
• Sensitivity: 86.9 dB

(6)

$127.96

Kicker Solo-Baric L7S122 (44L7S122)

• Peak Power: 1500 watts
• RMS Power: 750 watts
• Impedance: Dual 2 ohms
• Injection Molded Polypropylene - IMPP Cone
• Ribbed Santoprene Surround
• Mount depth: 6-11/16"
• Sensitivity: 88.6 dB

(3)

$262.96

NVX VCW124 Version 3 (VCW124v3)

• RMS Power: 1200 Watts
• 3” 4-Layer High Temperature Black Aluminum Voice coil
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll foam surround with black nylon stitching
• 202 oz. Triple stacked High Energy ferrite magnet
• Die Cast aluminum vented basket

(120)

$189.99

JL Audio 12W0v3-4

• RMS Power: 300 watts
• Impedance: Single 4 ohms
• Polypropylene Cone
• Foam Surround
• Mount depth: 5.40"
• Sensitivity: 85.64 dB

(40)

$159.99

Kicker Solo-Baric L7S124 (44L7S124)

• Peak Power: 1500 watts
• RMS Power: 750 watts
• Injection Molded Polypropylene - IMPP Cone
• Santoprene Rubber Surround
• Impedance: Dual 4 ohms
• Mount depth: 6-11/16"
• Sensitivity: 86.9 dB

(5)

$262.96

Related Searches


R2SD4-12 small

Item added to your cart.

Price: $63.99

Essential add-ons
Single 12" Sealed Subwoofer Enclosure

Durable 5/8" MDF Angled Sub Enclosure Lined w/ Polyfil.

$99.99

$69.99

Add to cart
Single 12" Venteded MDF Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$109.99

$69.99

Add to cart
Single 12" Truck Style Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$69.99

$68.95

Add to cart
Single 12" Sealed Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$79.99

$84.95

Add to cart
NVX 20 ft. of True Spec 8 Gauge Speaker Wire

Flexible multi-strand cable bends and twists to meet your installation needs.

$64.99

$49.99

Add to cart
Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

$14.99

$6.99

Add to cart
NVX SDTK20

20 Square Feet of Sound Damping Material

$89.99

$59.99

Add to cart
Stinger RKXTK

Stinger's Roadkill sound dampening series is sure to kill unwanted road noise and rattles! Enough sound dampening for your whole trunk!

$209.00

$92.99

Add to cart
Dynamat Trunk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

$236.95

$149.95

Add to cart
NVX SDRLR1 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$9.99

$7.99

Add to cart
NVX SDRLR2 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

$11.24

$8.99

Add to cart
Belva BAMMD1

Six Function Digital Multimeter

$14.99

$6.99

Add to cart
Belva BAMMD3

Nine Function Digital Multimeter

$29.99

$9.99

Add to cart
Save up to 10 different vehicles in your garage

Loading...
Identify your vehicle and submodel details
  • Owner’s manual
  • Vehicle’s insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver’s side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon