Description
The Beyma PRO65ND is a 6.5-inch, 4-ohm high-efficiency midrange speaker from Beyma's Competition Series. It is sold individually and is intended for motorcycle, powersports, custom door and other high-output systems.
The driver handles 100 watts RMS and 200 watts maximum power. Its 100 dB sensitivity and 150 Hz–8 kHz published response provide strong vocal projection from a compact frame.
Specifications
| Model | PRO65ND |
|---|---|
| Sold as | Single speaker |
| Nominal diameter | 165 mm / 6.5 inches |
| Nominal impedance | 4 ohms |
| RMS power handling | 100 watts |
| Maximum power | 200 watts |
| Sensitivity | 100 dB, 1 W / 1 m |
| Frequency range | 150 Hz–8 kHz |
| Voice-coil diameter | 38.5 mm / 1.5 inches |
| BL factor | 8.2 N/A |
| Overall diameter | 165 mm / 6.5 inches |
| Cutout diameter | 144 mm / 5.67 inches |
| Mounting depth | 70 mm / 2.74 inches |
| Motor | Neodymium |
Crossover Guidance
Legacy Beyma Competition Series guidance recommends a 400 Hz or higher high-pass filter and a 5–6 kHz low-pass filter, using at least a 12 dB/octave slope. Final settings must account for the installation, output target and DSP tuning.