B2 Audio RIOT Series 15" 750W RMS Dual 4-Ohm 3" Voice Coil Subwoofer

• Unleash Sonic Fury: Experience unparalleled power and intensity with the B2 Audio RIOT Series 15" Subwoofer's commanding 750W RMS power output, delivering bone-rattling bass that will leave you breathless.
• Dual 4-Ohm Voice Coils: Dominate your sound system with flexibility and precision, allowing for seamless integration and customization to suit your audio preferences and amplifier setup.
• Robust 3" Voice Coil: Built for battle, this subwoofer boasts a formidable 3" voice coil that ensures unrivaled performance and durability, even under the most extreme conditions.
• Revolutionary Engineering: Engineered to disrupt the status quo, the B2 Audio RIOT Series 15" Subwoofer redefines what's possible in sound reproduction, delivering a revolutionary audio experience that will leave competitors trembling in its wake.
• Join the Revolution: Whether you're a seasoned audiophile or a newcomer craving adrenaline-pumping bass, this subwoofer is your ticket to audio supremacy. Embrace the RIOT and unleash the beast within your sound system.

B2 Audio RIOT Series 15" 750W RMS Dual 4-Ohm 3" Voice Coil Subwoofer

This Listing Includes:

• (1) B2 Audio RIOT Series 15"  Subwoofer

The B2 Audio RIOT15 is built to stir trouble in all the right ways. Packing 750W RMS, a rugged 3" voice coil, and a punchy ferrite motor, this 15" subwoofer brings deep, forceful bass without sacrificing accuracy. Its dual 4-ohm configuration gives you wiring flexibility, while its strong suspension and large excursion ceiling let the woofer breathe, hit, and slam with confidence.

Designed for sealed, compact ported, or full-size ported enclosures, the RIOT Series is your entry ticket to high-output bass that feels alive, responsive, and gloriously unruly.

Features

†750W RMS / 1500W Max for strong daily performance and tight low-frequency response

†Dual 4-Ohm Design for flexible wiring to match most daily driver amplifiers

†3" Copper Voice Coil built to withstand long-term thermal demands

†Tall Surround + Long Excursion Suspension for deep, powerful bass

†240 oz Ferrite Motor delivering punchy, authoritative sound

†8 Gauge Push Terminals for secure, high-current wiring

†Optimized for sealed, compact, ported, and large ported enclosures

†Built for daily use, budget demo setups, and high-output street builds

Specifications:

• RMS Power Handling: 750 Watts


• Max Power Handling: 1500 Watts


• Push Terminal Wire Gauge: 8 Ga


• Nominal Impedance: Dual 4-Ohm


• Voice Coil Diameter: 3"


• Frequency Response: 10 Hz - 500 Hz


• Sensitivity: 92.6 dB


• Magnet Weight: 240 oz


• Displacement Volume: 7.4 L / 0.26 cu.ft.

Thiele & Small Parameters

• Free Air Resonance (Fs): 30 Hz


• Resistance (Re): 3.2 Ohm


• Mechanical Factor (Qms): 7.09


• Electrical Factor (Qes): 0.86


• Total Factor (Qts): 0.76


• Equivalent Volume (Vas): 61.3 L


• Compliance (Cms): 70 um/N


• BL Factor (BL): 78.4 BL^2/RE


• Moving Mass (Mms): 368.9 g


• Excursion Max (Xmax): 20 mm

Measurements:

• Overall Diameter: 15.35" / 390 mm


• Mounting Diameter: 13.78" / 350 mm


• Bolt Pattern Diameter: 14.76" / 375 mm


• Overall Depth: 9.37" / 238 mm


• Mounting Depth: 8.11" / 206 mm

Enclosure Suggestions:

Sealed:

• 60 L / 1.125 cu.ft


• Otc: 0.76

Ported Compact:

• 80 L / 2.83 cu.ft


• Port: 32.55 sq. in.


• Length: 18.22" / 46.3 cm


• FB: 38 Hz

Ported:

• 190 L / 6.73 cu.ft


• Port Area: 32.55 sq. in


• Length: 9.1" / 23.1 cm


• FB: 32 Hz