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

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.