Description
Overview
When raw volume and crystal-clear vocal reproduction are non-negotiable, theBeyma PRO8MI stands out as a flagship 8-inch midrange driver from Beyma’s Competition Series. Boasting an extreme sensitivity rating of 98 dB, this driver translates every watt of amplifier power into intense, distortion-free output designed to effortlessly slice through road, wind, and ambient noise.
Built with a heavy-duty 2-inch voice coil, a die-cast aluminum frame, and a high-flux ferrite magnet, the PRO8MI is purpose-built specifically for medium-frequency clarity. It is a premier choice for high-output motorcycle baggers, chuchero builds, and custom pro-audio door stages where top-tier vocal clarity and efficiency are required.
Key Features
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Extreme Efficiency (98 dB SPL): Exceptional sensitivity means maximum loudness with less electrical strain on your amplifier system.
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High Thermal Capacity: Features a large 2″ (51.7 mm) copper voice coil rated for 200 Watts AES / 400 Watts Program power.
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Dedicated Vocal Tuning: Engineered specifically for pure midrange performance from 150 Hz to 7,000 Hz, giving vocals and instruments incredible bite and detail.
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Die-Cast Aluminum Frame: Provides max structural rigidity, efficient cooling, and eliminates basket resonance under continuous driving conditions.
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4-Ohm Configuration: Tailored for seamless integration into high-power mobile, marine, and powersports amplifier setups.
Technical Specifications
| Specification | Details |
| Nominal Diameter | 8 Inches (200 mm) |
| Nominal Impedance | 4 Ohms |
| AES Power Handling | 200 Watts |
| Program Power Handling | 400 Watts |
| Sensitivity (1W / 1m) | 98 dB |
| Frequency Range | 150 Hz – 7,000 Hz |
| Voice Coil Diameter | 2.0 Inches (51.7 mm) |
| Basket Material | Die-Cast Aluminum |
| Resonant Frequency | 86 Hz |
Ideal Applications
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Motorcycle Audio: High-output custom saddlebag lids, tour-pak pods, and aftermarket fairing arrays needing ultra-loud vocal projection.
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Competition Pro Audio Door Panels: Multi-speaker front stages, chuchero boxes, and active 3-way car audio builds.
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Powersports & UTVs: Heavy-duty sound towers and custom enclosures engineered to project vocals over extreme outdoor noise.
Crucial Tuning Note: The PRO8MI is a dedicatedmidrange transducer, not a midbass or subwoofer. To protect the speaker and maximize vocal clarity, apply a High-Pass Filter (HPF) set no lower than150 Hz – 200 Hz with a 12 dB or 24 dB/octave slope.












