B2 Audio X2C Competition 18" 10k Watts RMS Dual 1 Ohm Subwoofer B2-X2C-18-D1-V2

B2 Audio X2C Competition 18" 10k Watts RMS Dual 1 Ohm Subwoofer B2-X2C-18-D1-V2

Sold by AudioSellerz.com

The B2 Audio X2C Competition 18" 10k Watts RMS Dual 1 Ohm Subwoofer B2-X2C-18-D1-V2 is a car audio subwoofer from B2 Audio, sold by Audio Sellerz. This page keeps the supplied product details and specifications intact so you can review the actual model information before ordering. Use the product details below to confirm power, impedance, dimensions, fitment, included parts, and other specifications that apply to this exact B2 Audio model.

B2 Audio Product Details & Specifications

• EXTREME COMPETITION POWER: The B2 Audio X2C 18" subwoofer is built for serious SPL and demo builds with 10,000 watts RMS and 20,000 watts max power handling.
• DUAL 1 OHM CONFIGURATION: Dual 1 ohm voice coils give experienced installers flexible wiring options for high-power amplifier setups and competition-level systems.
• MASSIVE 5" VOICE COIL: Designed with a large 5-inch voice coil for serious thermal management, improved durability, and reliable performance under extreme power.
• DEEP LOW FREQUENCY OUTPUT: With a frequency range of 10 Hz to 150 Hz, this 18" subwoofer is engineered to deliver brutal low-end bass for high-output audio builds.
• BUILT FOR SPL BUILDS: Ideal for competition vehicles, wall builds, demo systems, and serious bass enthusiasts who need massive air movement and high-output performance.

B2 Audio X2C Competition Series 18" 10,000 Watt RMS Dual 1 Ohm Subwoofer

This listing includes:

• (1) X2C 18" Dual 1 Ohm Subwoofer

​The B2 Audio X2C 18" Dual 1 Ohm Subwoofer is built for extreme SPL competitors and serious bass builders who need brutal power handling, deep low-frequency output, and a motor structure that does not flinch under pressure.

Engineered for high-output competition systems, the X2C features a massive motor assembly, a large 5-inch voice coil, and serious thermal management to handle up to 10,000 watts RMS and 20,000 watts max power. With a frequency range down to 10 Hz, this 18-inch subwoofer is designed to move serious air and deliver the kind of low-end force that turns builds into legends.

Whether you are chasing meter numbers, hair tricks, or ground-shaking demo power, the X2C 18" is built for bass systems where average simply gets escorted out of the parking lot.

Features

• Competition-grade 18" SPL subwoofer


• Dual 1 Ohm voice coil configuration


• 10,000 watts RMS power handling


• 20,000 watts max power handling


• Massive 5" voice coil for extreme thermal control


• Designed for high-output SPL and demo builds


• Deep frequency response down to 10 Hz


• High motor force for powerful cone control


• Built for serious competitors and extreme bass enthusiasts

Specifications

• Frequency Range: 10 Hz – 150 Hz


• Impedance: Dual 1 Ohm


• RMS Power: 10,000 Watts


• Max Power: 20,000 Watts

Electrical Parameters

• Re (DC Resistance): 1.5971 ohms


• Le (Inductance @ 1 kHz): 3.7877 mH


• Zmax (Maximum Impedance): 27.2880 ohms


• BL (Motor Force Factor): 24.4398 N/A

Thiele/Small Parameters

• Fs (Resonant Frequency): 29.25 Hz


• Qes (Electrical Q): 0.4664


• Qms (Mechanical Q): 7.5029


• Qts (Total Q): 0.4391


• Vas (Equivalent Compliance Volume): 63.23 L (1.7327 ft^3)


• Cms (Compliance): 31.1905 M/N

Physical Characteristics

• Effective Diameter: 390.0000 mm  (15.3543 in)


• Sd (Cone Area): 119459.0554 mm^2 (185.1619 in^2)


• Mms (Moving Mass): 949.0932 g

Output & Efficiency

• Efficiency: 0.3188 %


• Sensitivity @ 1W/1m: 87.0536 dB


• Sensitivity @ 2.83Vrms/1m: 94.0512 dB

Shop More B2 Audio & Related Car Audio Gear

Browse more B2 Audio products and compare car audio subwoofers. For system planning, see the subwoofer wiring and ohm-load guide and subwoofer box guide.

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