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Home/Equipment/Accessories/B2 Audio/RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project
RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project
RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project
RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project
RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project
RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project
RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project
RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project
RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project
RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project
RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project
B2 Audio/Accessory

RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project

Includes one B2 Audio RIOT-2.5 mini woofer and a matching single-ported 3D-printed enclosure Compact system delivers deep, clean bass and crisp mids in tight spaces High-strength aluminum baskets and 4-layer coils ensure durability and detail Dual-ported airflow design improves efficiency and cooling for extended play Perfect for DIY audio projects, desktop setups, RC builds, or creative installs B2 Audio RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project Aluminum Baskets This Listing Includes: (1) B2 Audio RIOT-2.5 Mini Woofer 2.5" 4 Ohm Loudspeaker 20W RMS Aluminum Basket (1) Single Ported 3D-Printed Subwoofer Enclosure for B2 Audio RIOT-2.5 Compact System, Big Sound Experience powerful, high-clarity audio in the smallest footprint with this premium mini subwoofer package. The single 2.5" B2 Audio RIOT-2.5 woofer paired perfectly with the precision 3D-printed single ported enclosure, delivering tight, clean bass and crisp midrange performance. Ideal for desktop systems, micro home builds, RC projects, or creative custom installs where sound quality matters. The B2 Audio RIOT-2.5 mini woofer features a black powder-coated aluminum basket, paper cone, and 4-layer aluminum voice coil for articulate response and durability. With 20W RMS and 40W Max power handling, this compact driver produces rich, detailed sound with impressive punch. The included single-ported 3D-printed enclosure optimizes airflow and cooling while keeping the build lightweight, stylish, and efficient. Specifications: Woofer Size: 2.5" (1) Power Handling: 20W RMS / 40W Max per woofer Impedance: 4 Ohms Voice Coil: 0.8" 4-layer aluminum Basket: Aluminum, black powder-coated Sensitivity: 76.4 dB Fs: 121.6 Hz Mount Depth: 53mm Enclosure Type: Single Ported, 3D-Printed Composite Compatibility: Designed for B2 Audio RIOT-2.5 Dimensions: Woofer: 2.5" Diameter x 2.5" Depth Enclosure: 4.25" x 3.75" x 3.25" Weight: 0.73 lb woofer, approx. 1.13 lb total with enclosure Bring pro-level sound to any small setup with this compact B2 Audio system, combining precision engineering, sleek design, and the unmistakable RIOT performance in one powerful mini package.
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Specifications

mounting depth in
2.09"
Compare Prices(1 retailer)
B
Big Jeff Online AudioAuthorized Dealer
Available
$119.95 – $134.95
Updated 4/9/2026
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Frequently Asked Questions

What is the B2 Audio RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project?

The B2 Audio RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project is a car audio equipment made by B2 Audio. View full specifications and where to buy on this page.

How much does the B2 Audio RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project cost?

The B2 Audio RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project typically sells for $120 to $135 depending on the retailer and variant. Check the "Where to Buy" section for current pricing from authorized dealers.

Where can I buy the B2 Audio RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project?

You can purchase the B2 Audio RIOT-2.5 Mini Woofer w/ Single Ported 3D-Printed Box DIY Project from authorized dealers listed in the "Where to Buy" section on this page. We recommend buying from authorized retailers to ensure warranty coverage and genuine products.

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