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Alpine Type-R 12" Bass Package (SWR-12D4)

3000W Peak 12" Type-R Series Dual 4-ohm High Performance Subwoofer + Ported Car Subwoofer Box Enclosure with Custom Black Baffle

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• 1000 Watts RMS
• 3000 Watts Max
• Reinforced parabolic cone structure
• Durable High Amplitude Multi-Roll santoprene surround
• Cast aluminum frame with integral shorting sleeve
• High-grade strontium ferrite segmented magnet assembly
• Integrated 8 AWG push terminals with VC jumpers
• 12" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard Construction
• Black Panel
• Durable Black Carpet
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals
• Total Box Volume: 1.842 Cubic Feet

Learn more about the swr12d4_bbx112bk_xws1625

We apologize

This item has been discontinued


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Description


Alpine brand icon

Authorized dealer



Alpine Type-R SWR-12D4

3000W Peak 12" Type-R Series Dual 4-ohm High Performance Subwoofer
Quantity: 1

General Features:

  • 12" Fifth-Generation Type-R Series Car Subwoofer
  • Power Handling:
    • Peak: 3000 watts
    • RMS: 250-1000 watts
  • Recommend power range: 250 - 750 watts RMS
  • Impedance: Dual 4 ohm
  • Kevlar treated pulp cone
  • Reinforced parabolic cone structure with Poly-Mica dust cap
  • Durable High Amplitude Multi-Roll santoprene surround
  • Progressive Conex spider with reinforced layer tinsel lead
  • Concealed mount gasket
  • Cast aluminum frame with integral shorting sleeve
  • Radial vented heat sink
  • Compound Radius Curve pole geometry
  • Oversized 2.6", High-Temperature, 4-Layer Dual Voice Coil
  • Spiral cut, black anodized aluminum former
  • Airflow Optimized dual flare pole vent
  • High-grade strontium ferrite segmented magnet assembly
  • Integrated 8 AWG push terminals with VC jumpers
  • Top-mount depth: 6-3/8"
  • Cutout diameter: 10-7/8"
  • Frequency response: 24 - 200 Hz
  • Xmax: 20mm
  • Sensitivity: 84.9dB
  • Magnet weight: 127oz
  • Protective 2-Piece Grille Available, sold separately: Alpine KTE-12G
  • Recommended sealed enclosure: 0.55 - 1.00 ft³
  • Recommended ported enclosure: 1.00 - 1.50 ft³
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Priced Individually


Check out the Alpine Type-R Subwoofer Owner's Manual

Click Here for Wiring Instructions




Belva BBX112BK (BLACK)

1.842 cu ft. Single 12" Ported Car Subwoofer Box Enclosure with Custom Black Baffle
Quantity: 1

General Features:

  • 12" Single Ported Subwoofer Enclosure
  • Black high gloss front face board
  • Covered in black carpet
  • Durable 3/4" Medium Density Fiberboard (MDF) construction
  • Subwoofer mounting depth: 14.5"
  • Subwoofer cutout diameter: 11"
  • Total box volume: 1.842 cubic feet
  • Dimensions: 16"D x 16"W x 18.75"H
  • Also available in Blue and Red
  • Authorized Internet Dealer
  • 1-year Sonic Electronix Warranty

Port Specifications:

  • Rectangular Slot Port
  • Number of ports: 1
  • Estimated port tuned frequency (fb): 42 Hz
  • Port dimensions: 1.5"Width


NVX XWS1625

25 ft. of True Spec 16 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)
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Product Features:

  • 25 ft. of True 16 Gauge EnvyFlex Speaker Cable/Wire
  • Twisted-pair technology eliminates noise for crystal clear sound
  • Made from silver-tinned 100% virgin copper for a pure uninterrupted transfer of power and signal
  • Flexible cable and wire for easy installation
  • Jacket can be cut and the wire split
  • Durable jacket protects against damage
  • Full spec cable is true to gauge
  • BC-5W2 compliant
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Alpine Type-R 12" Bass Package (SWR-12D4) Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Alpine Type-R 12" Bass Package (SWR-12D4) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Alpine Type-R 12" Bass Package (SWR-12D4) Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Alpine Type-R 12" Bass Package (SWR-12D4) Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
Type-R Series
Subwoofer Size
12"
Peak Power Handling
3000 watts
RMS Power Handling
1000 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Frequency Response
24 - 200 Hz
Sensitivity
84.9 dB
Xmax (millimeters)
20 mm
Subwoofer Design
Round / Circle
Woofer Composition
Kevlar Fiber
Woofer Surround
Santoprene Rubber
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SWR-12D4_BBX112BK_XWS1625

Weight:

61.82lbs

Internal SKU:

swr12d4_bbx112bk_xws1625

Internal Product ID:

127845

Customer Ratings & Reviews


Alpine Type-R 12

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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
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  • 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.