BMS 4591 8Ω
Compression DriverMedia
Auto-advancing
Overview
Compression Driver
BMS
BMS 4591
BMS 4591 is a 2" 8 ohm compression driver rated at 150W RMS. The source-backed specifications include sensitivity 118dB, range from 200Hz, to 9000Hz, throat 50.8mm. bits tracks vendor pricing and datasheet links from the same loudspeaker database.
Size
2"
Impedance
8Ω
RMS Power
150W
Sensitivity
118.0dB
Technical Specifications
SPL118dB
Power150W
Impedance8Ω
F Low200Hz
F High9000Hz
Xover300Hz
Throat51mm
Voice Coil90mm
Pricing & availability
Price definitionsVendor offers
1 vendorleanaudio
Updated 22 Sept 2026· 8Ω
Source: inc VAT · 20%
£276.76
inc VAT
Back order
Dimensions & Physical
Weight6.0kg
Diameter182.0mm
Overall Depth90.0mm
Additional Manufacturer Specs
6. 1 W / 1 M118 dB
4. Peak Power1000 W peak above 500 Hz
13. Efficiency35 % (300 – 5000 Hz)
1. Throat Diameter2″ (50.8 mm)
7. Frequency Range200 – 9000 Hz
11. Magnet MaterialFerrite
5. Max. Spl (Cont.)136 dB at 150 W
15. Voice Coil FormerKapton TM
2. Nominal Impendance8 or 16 Ohm
16. Diaphragm MaterialPolyester
10. Voice Coil Diameter3.5″ (90 mm)
14. Voice Coil MaterialCopper Clad Aluminum
3. Power Capacity (Aes)150 W AES above 400 Hz
12. Flux Density (Tesla)1.95
8. Recommended Crossover300 Hz
9. Min. Impedance Modulus8.3