B2 Audio RIOT Series 8" 4-Ohm 150W RMS Mid-Range Speakers UV-Coated Cone, Sold in Pairs RIOT8P

• High-Impact 8" Midrange Performance: Engineered for aggressive sound clarity and loud output, the RIOT8P speakers deliver intense midrange frequencies with 150W RMS power and 97 dB sensitivity.
• Heavy-Duty 1.5" Voice Coil: With a KCCAW voice coil and 23 oz magnet, you get responsive, punchy performance that thrives under pressure in high-output systems.
• Optimized Frequency Response: Covers a wide 80–10,000 Hz range for full-bodied midrange detail. Perfect for high-SPL builds or pairing with tweeters and subs.
• Easy Fit with Rugged Design: Standard 8" chassis with a 3.23" mounting depth fits most enclosures and baffles. Durable construction stands up to competitive audio demands.
• Treated Paper Cone – UV and moisture resistant for added durability (not fully waterproof).

B2 Audio RIOT 8" 4-Ohm 150 Watt RMS Bullet Mid-Range Speakers Pair B2-RIOT8P

This Listing Includes:

• (2) B2 Audio RIOT8P 8" Bullet Mid-Range Speakers

Prepare to ignite your sound system with the B2 Audio RIOT 8" Bullet Mid-Range Speakers — engineered for power, precision, and attitude. Designed with a treated paper cone for enhanced durability, these speakers deliver aggressive midrange performance while offering basic UV and moisture resistance, making them ideal for car doors, pods, or semi-protected outdoor installs.

With a 150W RMS / 300W MAX power handling rating and 97 dB sensitivity, they deliver clean, punchy sound without demanding massive amplifier power. Unlike the fully sealed PWR series, these models feature a bullet dust phase plug, rather than a sealed dust cap, meaning they’re resistant but not fully waterproof. Perfect for those who require fierce output and clarity, where full marine sealing isn’t necessary.

Unleash the riot — and make every note hit with force

Features

• 150W RMS / 300W Max Power Handling – Delivers loud, aggressive mids with serious impact.


• Treated Paper Cone – UV and moisture resistant for extra durability (not fully waterproof).


• Bullet Dust Phase Plug – Focuses sound for improved clarity and projection.


• High Sensitivity (97 dB) – Efficient output for loud, clear sound even with lower power amps.


• 1.5" KCCAW Voice Coil – Handles heat and power with long-lasting reliability.


• Wide Frequency Range (80Hz–10kHz) – Produces rich, detailed midrange response.


• Optimized 8" Form Factor – Easy to install with 3.23" mounting depth and 7.2" cutout.


• Heavy-Duty 23 oz Magnet – Supports strong motor structure and sound control.


• Sold as a Pair – Two matched speakers for stereo setups or system expansion.

Specifications:

• RMS Power Handling: 150 Watts


• Maximum Power Handling: 300 Watts


• Nominal Impedance: 4-Ohm


• Voice Coil Diameter: 1.5" / 38.6 mm


• Magnet Weight: 23 oz


• Frequency Response: 80 - 10 kHz


• Sensitivity: 97 dB


• Nominal Chassis Diameter: 8" / 205 mm


• Resonance (natural) Frequency: 93 Hz


• Voice Coil Material: KCCAW

Thiele & Small Parameters:

• Free Air Resonance (Fs): 93 Hz


• Resistance (Re): 3.8-Ohm


• Mechanical Factor (Qms): 9.4


• Electrical Factor (Qes): 1


• Total Factor (Qts): 0.9


• Mechanical Resistance (Rms):


• Equivalent Volume (Vas): 8 L


• BL Factor (BL): 7.2 T/m


• Moving Mass (Mms): 23 grams


• Sound Pressure Level (SPL):


• Excursion Max (Xmax): 3.5 mm


• Sd (cm^2): 145 cm^2


• Efficiency %: 0.71%


• EBP: 93

Measurements:

• Overall Diameter: 8" / 205 mm


• Bolt Circle Diameter: 7.63" / 194 mm


• Baffle Cutout Diameter: 7.2" / 183 mm


• Overall Depth: 3.5" / 88.1 mm


• Mounting Depth: 3.23" / 82mm


• Sold as: Pair