• Unique Patented Design
• Neodymium Magnet Assembly
• 114 dB Sensitivity 1 W / 1 m
• Extended high frequency response up to 30 kHz
• Very small Size and low Weight
• 38 mm Voice Coil
• 1 3/8" - 18N Screw or 1" Flange Adapter

BMS 4540ND is a powerful 1" professional compression driver that delivers superb sonic quality in a very small package. The unique BMS annular diaphragm together with the high energy neodymium magnet achieve very high sensitivity and linear frequencey response up to 30 kHz.

The sound of 4540ND is extremely transparent and detailed, it has an exceptional dynamic range and produces even the most complex music signals with depth and definition. 4540ND - 1" compression driver is designed for a wide variety of applications including high level professional reinforcement systems, studio monitors and high-end audio.