B2 Audio X2C Competition Series 15" 10,000 Watt RMS Dual 1 Ohm Subwoofer

• Hand Built to Order: Each unit is individually assembled for unmatched attention to detail and performance consistency.
• 10,000 Watt RMS Powerhouse – The B2 Audio X2C 15" Subwoofer delivers a staggering 10,000W RMS and up to 20,000W max power, engineered for high-output SPL performance and extreme low-end frequencies.
• Built for Serious Bassheads – Featuring a massive 5-inch voice coil and weighing over 110 lb, this subwoofer is designed to handle serious thermal loads and deliver deep, accurate bass from 10 Hz to 150 Hz.
• Precision Engineering – Includes advanced motor structure, high BL factor (24.7988 N/A), and ultra-durable mechanical suspension for superior excursion control and long-term reliability.

B2 Audio X2C Competition Series 15" 10,000 Watt RMS Dual 1 Ohm Subwoofer

This listing includes:

• (1) X2C 15" Dual 1 Ohm Subwoofer

​The B2 Audio X2C 15" Dual 1 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 1 Ohm


• RMS Power: 10,000 Watts


• Max Power: 20,000 Watts

Electrical Parameters

• Re (DC Resistance): 1.7875 ohms


• Le (Inductance @ 1 kHz): 3.9447 mH


• Zmax (Maximum Impedance): 26.0989 ohms


• BL (Motor Force Factor): 24.7988 N/A

Thiele/Small Parameters

• Fs (Resonant Frequency): 28.1566 Hz


• Qes (Electrical Q): 0.5292


• Qms (Mechanical Q): 7.1975


• Qts (Total Q): 0.4930


• Vas (Equivalent Compliance Volume): 28.5265 L (1.0074 ft)


• Cms (Compliance): 31.0459 M/N


• Kms (Stiffness): 32,210.4160 N/M


• Rms (Mechanical Resistance): 25.2961

Physical Characteristics

• Effective Diameter: 325.0000 mm (12.7963 in)


• Sd (Cone Area): 82,957.67 mm (124.6586 in)


• Mms (Moving Mass): 1029.1442 g

Output & Efficiency

• Efficiency: 0.1131 %


• Sensitivity @ 1W/1m: 82.5512 dB


• Sensitivity @ 2.83Vrms/1m: 89.0595 dB