4FR40ND 4" BEYMA

• 4" full-range compact neodymium loudspeaker
• 80 W program power
• Extended response and low distortion
• Paper cone and SantopreneTM surround
• Pressed steel basket
• Neodymium magnet
• Ideal for beam-steering application (columns), portable
• array and compact applications

Technical Specifications

• Nominal diameter 100 mm 4 in
• Nominal impedance 8 Ohm
• Minimum impedance 7.2 ohm
• Power capacity 40 W AES
• Program power 80 W
• Sensitivity 88 dB 1 W @ 1 m @ ZN
• Frequency range 100-20000 Hz
• Voice coil diameter 20.3 mm 0.8 in
• BL factor 4.7 N/A
• Moving mass 0.0045 kg
• Winding length 7.7 mm
• Air gap height 4 mm