Description
The Beyma PRO8MI is an 8-inch, 4-ohm ferrite midrange loudspeaker from Beyma's Competition Series. It is sold individually and is designed for high-output vocal and instrumental reproduction in custom doors, speaker panels, motorcycle systems, and powersports systems.
The driver handles 200 watts AES and 400 watts program power. Its 98 dB sensitivity, 2-inch voice coil, and published 150 Hz–7 kHz frequency range support substantial dedicated-midrange output.
Specifications
| Model | PRO8MI |
|---|---|
| Sold as | Single speaker |
| Nominal diameter | 200 mm / 8 inches |
| Nominal impedance | 4 ohms |
| AES power handling | 200 watts |
| Program power | 400 watts |
| Sensitivity | 98 dB, 1 W / 1 m |
| Frequency range | 150 Hz–7 kHz |
| Voice-coil diameter | 51.7 mm / 2 inches |
| BL factor | 7.6 N/A |
| Overall diameter | 212 mm / 8.35 inches |
| Cutout diameter | 182 mm / 7.17 inches |
| Mounting depth | 95 mm / 3.74 inches |
| Basket | Die-cast aluminum |
| Cone | Paper |
| Magnet | Ferrite |
Use appropriate high-pass and low-pass crossover protection. Final settings must account for the installation, output target, and DSP tuning.

