B2 Audio X2C Competition Series 15" 10,000 Watt RMS Dual 2 Ohm Subwoofer

• Extreme Power Handling – Delivers a jaw-dropping 10,000 Watts RMS and 20,000 Watts max power, engineered for high-output SPL and serious bass performance.
• Massive Motor Design – Built with a robust motor and a 5-inch voice coil for superior thermal management, power handling, and long-term reliability.
• Precision Tuning – Features a resonant frequency (Fs) of 31.82 Hz and total Q (Qts) of 0.4453, optimized for tight, responsive low-frequency output.
• Heavy-Duty Construction – Weighs over 110 lbs and includes a rigid 12.8" cone (Sd: 82,957 mm²), ensuring powerful, distortion-free bass at any volume.

B2 Audio X2C Competition Series 15" 10,000 Watt RMS Dual 2 Ohm Subwoofer

This listing includes:

• (1) X2C 15" Dual 2 Ohm Subwoofer

​The B2 Audio X2C 15" Dual 2 Ohm subwoofer is a powerhouse designed for serious bass enthusiasts. Weighing over 110 lb, it's built to deliver extreme low-frequency performance.​ This subwoofer is engineered for high-output SPL applications, featuring a massive motor structure and a 5-inch voice coil for exceptional thermal management and power handling. Its high sensitivity ensures efficient performance even at lower power levels.

Specifications:

• Frequency Range: 10 Hz – 150 Hz


• Impedance: Dual 2 Ohm


• RMS Power: 10,000 Watts


• Max Power: 20,000 Watts

Electrical Parameters

• Re (DC Resistance): 3.2128 ohms


• Le (Inductance @ 1 kHz): 8.6482 mH


• Zmax (Maximum Impedance): 58.1558 ohms


• BL (Motor Force Factor): 36.5587 N/A

Thiele/Small Parameters

• Fs (Resonant Frequency): 31.8292 Hz


• Qes (Electrical Q): 0.4714


• Qms (Mechanical Q): 8.0606


• Qts (Total Q): 0.4453


• Vas (Equivalent Compliance Volume): 24.9306 L (0.8804 ft)


• Cms (Compliance): 25.5008 M/N


• Kms (Stiffness): 39,214.3867 N/M


• Rms (Mechanical Resistance): 24.3260

Physical Characteristics

• Effective Diameter: 325.0000 mm (12.7953 in)


• Sd (Cone Area): 82,957.68 mm (128.5847 in)


• Mms (Moving Mass): 980.4699 g

Output & Efficiency

• Efficiency: 0.1603 %


• Sensitivity @ 1W/1m: 84.0662 dB


• Sensitivity @ 2.83Vrms/1m: 88.0282 dB

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

• Visa
• Mastercard
• American Express
• Discover
• Diners Club

Digital Wallets

• Amazon Pay
• Apple Pay
• Meta Pay (formerly Facebook Pay)
• Google Pay
• Shop Pay
• PayPal

International Payment Methods

• Bancontact
• iDEAL

Bank Transfers

• Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

• Klarna
• Affirm
• Sezzle
• Snap
• Acima
• Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

• Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
• Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

Why Can’t I Track My Order?

If you're having trouble tracking your order:

• Make sure you’ve received the shipping confirmation email with the tracking number.
• Log into your account on our website and use the “Check Your Order Status” button.
• If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.