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B2 Audio RIOT-2.5 Mini Woofers w/ Dual Ported 3D-Printed Box DIY Project

Pre-order today - we'll ship it as soon as stock arrives!

Don't miss your chance to get yours at the special Black Friday Price before they're gone!

Estimated Ship Date: November 25th, 2025

*Pre-Orders are non-refundable

Sale price $189.95

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Color: Black
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Owners Manual

Description

  • Includes two B2 Audio RIOT-2.5 mini woofers and a matching dual-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 Woofers w/ Dual Ported 3D-Printed Box DIY Project Aluminum Baskets


This Listing Includes:



  • (2) B2 Audio RIOT-2.5 Mini Woofer 2.5" 4 Ohm Loudspeakers 20W RMS Aluminum Basket

  • (1) Dual 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 dual 2.5" B2 Audio RIOT-2.5 woofers pair perfectly with the precision 3D-printed dual 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.


Each 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, these compact drivers produce rich, detailed sound with impressive punch. The included dual-ported 3D-printed enclosure optimizes airflow and cooling while keeping the build lightweight, stylish, and efficient.


Specifications:



  • Woofer Size: 2.5" (x2)

  • 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: Dual Ported, 3D-Printed Composite

  • Compatibility: Designed for B2 Audio RIOT-2.5


Dimensions:



  • Woofer: 2.5" Diameter x 2.5" Depth

  • Enclosure: Custom dual-ported compact form

  • Weight: 0.73 lb each woofer, approx. 1 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.

CASE QUANTITY: N/A

PACKAGE WEIGHT: 3.2 LB

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