B2 Audio 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

The RIOT 2.5 is a 2.5" speaker designed with a subwoofer-inspired appearance, making it a popular choice for hobbyists building small desktop and creative audio projects.

This bundle includes the RIOT 2.5 speaker and a matching 3D printed enclosure designed specifically for it. Together, they create a clean foundation for a compact Bluetooth build, demo box, or custom mini audio setup.

If you're looking to build something small but visually bold, this package gives you the core components to get started.

Just add a compatible chip amplifier and power supply to complete your project.

Disclaimer: Does NOT come with screws or mounting hardware.

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.