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  1. Home
  2. Car Audio & Electronics
  3. Car Subwoofers
  4. 12" Car Subwoofers
  5. Boss P126DVC_KX800.1_XKIT42_MDFS12

See all parts that fit your 2014 X3

Boss Subwoofer + Kicker Amp Upgrade Bundle w/ Sealed Sub Box

P126DVC 12" Phantom Subwoofer + KX800.1 800W RMS KX Series Monoblock Amp + XKIT42 2-Ch. 4G OFC Amp Install Kit + MDFS12 12" Sealed Sub Box

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• Subwoofer: 1150 Watts RMS
• Amplifier: RMS: 400W x 1 @ 4 ohm, 800W x 1 @ 2 ohm
• CEA-2006 Compliant
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit
• Single Sealed 12" Enclosure

Learn more about the p126dvc_40kx8001_xkit42_mdfs12

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Product Highlights

• Subwoofer: 1150 Watts RMS
• Amplifier: RMS: 400W x 1 @ 4 ohm, 800W x 1 @ 2 ohm
• CEA-2006 Compliant
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit
• Single Sealed 12" Enclosure

Description

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Authorized dealer

  • Description Coming Soon!

Subwoofer Wiring Guide

Wiring Guide to Wire 1 Boss Subwoofer + Kicker Amp Upgrade Bundle w/ Sealed Sub Box Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Boss Subwoofer + Kicker Amp Upgrade Bundle w/ Sealed Sub Box Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Boss Subwoofer + Kicker Amp Upgrade Bundle w/ Sealed Sub Box Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 Boss Subwoofer + Kicker Amp Upgrade Bundle w/ Sealed Sub Box Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

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Specifications & Details

Subwoofer Specifications
Subwoofer Size
12"
Peak Power Handling
1500 watts
RMS Power Handling
750 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
4 ohm
Sensitivity
87 dB
Xmax (millimeters)
10 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Paper
Woofer Surround
Foam
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Top-Mount Depth (Mounting Depth)
5-3/16"
Cutout Diameter
11"
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
35 Hz
Equivalent Compliance (Vas)
87.3 liters
Total Speaker Q Value (Qts)
.61
Electrical Q Value (Qes)
.66
Mechanical Q Value (Qms)
9.52
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details

Manufacturer:

Boss

Model Number:

P126DVC_KX800.1_XKIT42_MDFS12

Weight:

49.80lbs

Internal SKU:

p126dvc_40kx8001_xkit42_mdfs12

Internal Product ID:

109507

Product and How-to Videos

Customer Ratings & Reviews

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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
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Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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