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

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.