FB-221
2x21" High output subwoofer
Engineered for uncompromising low-frequency performance, the BPM Audio FB-221 delivers powerful, tight, and highly efficient bass for large-scale sound reinforcement. Featuring dual 21-inch high-excursion drivers housed in a precision-engineered quasi-horn-loaded cabinet, the FB-221 combines raw output with unmatched clarity and control.
Designed for touring, festivals, and high-demand fixed installations, the quasi-horn-loaded architecture significantly improves sensitivity and projection, allowing for greater SPL and impact. The optimized enclosure geometry ensures minimal distortion, excellent transient response, and consistent low-frequency coverage across large venues.
- Dual 21" high-performance long excursion European Neodymium drivers
- Very high output subwoofer
- Low distortion
- Quasi-horn-loaded design for maximum efficiency and impact
- Rugged birch plywood enclosure with touring-grade finish
- Integrated handles and stacking hardware for transport and deployment
- Ideal for live sound, large venues, and high-output installations
Whether you're shaking the floor in an arena or delivering precision bass in a large club, the FB-221 sets a new standard in professional subwoofer performance.
| Power handling | 3400W AES, 13600W peak |
| Impedance | 1 x 4ohm nominal (1x 8ohm optional) |
| Bandwidth | 29hz to 160hz (-3db) |
| Sensitivity | 105db (1W/1m), 108db (2.83V/1m) |
| Max SPL @ 1m | 140db continuous, 146db peak |
| Weight | 146kg |
| Dimensions | W : 1272mm H : 610mm D : 592mm (no wheels) |