- Compact Yet Powerful – Delivers 20W RMS and 40W max in a 2.5" frame, ideal for tight installs and custom audio projects.
- Durable Aluminum Basket – Lightweight black powder-coated basket provides structural integrity and heat resistance.
- Precision Sound – Paper cone with ROAM surround and 4-layer aluminum voice coil for crisp, responsive mids.
- Strong Magnet Structure – Dual 3oz ferrite magnets (50x26x6mm) ensure controlled motor force and reliability.
- Easy Fit & Clean Design – 53mm mounting depth, 70mm OD, giftbox packaging, and pro-level performance for DIY or custom installs.
B2 Audio RIOT 2.5 Mini Woofer 2.5" 4 Ohm Loudspeaker 20W RMS Aluminum Basket
- (1) B2 Audio RIOT 2.5 Mini Woofer 2.5" 4 Ohm Loudspeaker 20W RMS Aluminum Basket
The RIOT 2.5 Mini Woofer is a compact, high-performance 2.5-inch loudspeaker engineered for clean, punchy sound in tight spaces. It features a black powder-coated aluminum basket and a responsive paper cone for excellent tonal clarity and midrange focus.
Built with a 4-layer aluminum bobbin voice coil and 10mm winding width, this woofer handles 20 watts RMS and peaks at 40 watts max. The ROAM surround and precision 3oz dual ferrite magnet motor deliver controlled movement and stable output, while the lightweight PP dust cap enhances accuracy.
With a sensitivity of 76.4 dB and a resonance frequency (Fs) of 121.6 Hz, the RIOT 2.5 is tuned for articulate performance in both sealed and vented enclosures. Its shallow 53mm mounting depth and 70mm OD make it ideal for stealth installs, motorcycles, custom panels, and compact audio systems.
Whether you're crafting a custom Bluetooth speaker, upgrading a small soundbar, or assembling your own mini desktop system, the B2 Audio RIOT 2.5 Mini Woofer delivers big sound in a small package. Its compact design and precision-engineered components make it the ultimate choice for hobbyists, makers, and audio enthusiasts who want professional-grade performance in their creative builds.
Key Specs:
- 2.5" Paper Cone, 4 Ohm Impedance
- 20W RMS / 40W Max Power
- Aluminum Basket, Dual Ferrite Magnets
- 0.8" Voice Coil, 4-layer Design
- Sensitivity: 76.4 dB, Fs: 121.6 Hz
Dimensions:
- Length: 2.5"
- Width: 2.5"
- Height: 2.5"
- Weight: 0.73 lb
- Mounting Depth: 2.04"
- Cutout Diameter: 2.22"
Take your DIY experience to the next level with the RIOT-2.5 mini woofer!
It’s not just an accessory it’s an audio upgrade that lives up to the B2 Audio spirit in every way.
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
Bank Transfers
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.
