RIOT15

329,00

The RIOT 15 is built for enthusiasts who want uncompromising bass performance in a compact form factor. Engineered with a high‑excursion motor and long‑throw suspension, the RIOT 15 delivers deep, controlled low‑end with the authority and precision that define the RIOT series.

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Description

MAXIMUM DISPLACEMENT

The B2 Audio RIOT15 stands at the top of the RIOT lineup, engineered for enthusiasts who want serious low‑frequency authority without stepping into premium‑tier pricing. With its large cone area, oversized suspension system, and thermally efficient motor platform, the RIOT15 delivers the kind of output, control, and reliability that redefines what a value‑class 15″ subwoofer can be.
 
At the core of the RIOT15 is a 3″ voice coil platform, giving the driver the thermal mass and motor strength needed for high‑output performance. While larger coils typically reduce available spider area, the RIOT15 avoids this compromise entirely. The B2 basket is engineered to accept a full 10″ spider, nearly 20% larger than older and competing designs. This larger suspension improves stability and supports long‑throw excursion without mechanical strain.

THE COILS

To manage heat, the 4‑layer copper coil is wound on a ventilated aluminum former, allowing airflow to reach the coil windings directly. This reduces thermal compression and keeps performance consistent during extended high‑power playback. The 4‑layer progressive‑roll spider gives the cone the freedom to move while maintaining precise mechanical control. 

The surround geometry follows a narrow U‑shaped profile, intentionally designed to preserve as much Sd as possible. More cone area means more air moved per watt, giving the RIOT15 a natural advantage in low‑frequency efficiency and overall output. This translates directly into deeper, fuller, more authoritative bass.

Every component of the RIOT15 — from the motor ventilation to the spider geometry to the cone and surround — is designed to deliver reliable, high‑impact bass in daily‑driven systems. Whether you’re building a musical low‑end foundation or chasing high‑output performance, the RIOT15 offers the displacement, control, and efficiency needed to dominate the low frequencies.

 

RIOT15
DUAL 2 Ω
Frequency Response:Sensitivity: Nominal Impedance:Resonance Frequency:Power Handling:
10 Hz ~ 500 Hz86 dB 2 Ω 31 Hz 3000 W / 1000 W
QMS:QES:
QTS:VAS:
BL^2/RE:
7.50.80.7260.1 L106.8
MMS:CMS um/N:Dia:
SD:LE:
379 g70326.9 mm839.8 cm²0.65 mH
Xmax:Xmech:
Voice Coil Dim:
Winding Material / Type:Magnet Type:
18 mm / .708"30 mm / 1.2"3"4 Layer copperFerrite
Magnet Weight Oz:
Cone Material:
Surround Type:
Efficiency:
Displacement:
240PaperU shaped foam0.25 %7.4 L / 0.26 cu.ft
DUAL 4 Ω
Frequency Response:Sensitivity: Nominal Impedance:Resonance Frequency:Power Handling:
10 Hz ~ 500 Hz85.7 dB4 Ω 30 Hz 3000 W / 1000 W
QMS:QES:
QTS:VAS:
BL^2/RE:
7.090.860.7661.3 L81.3
MMS:CMS um/N:Dia:
SD:LE:
287.3 g90326.9 mm839.8 cm²0.87 mH
Xmax:Xmech:
Voice Coil Dim:
Winding Material / Type:Magnet Type:
18 mm / .708"30 mm / 1.2"3"4 Layer copperFerrite
Magnet Weight Oz:
Cone Material:
Surround Type:
Efficiency:
Displacement:
240PaperU shaped foam0.23 %7.4 L / 0.26 cu.ft
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