Item

Model

Sensitivity
(at 1KHz 1V/Pa)

Direct
-ionality

Max
Input

Impedance
(at 1KHz)

Frequency
Response

Magnet

Net
Weight

HMU-308

-52dB±3dB

Uni

120dB SPL

200-500 ohms

100-10KHz

Fe20Φ6t

13.5g

HMU-520

-48dB±3dB

Uni

120dB SPL

300-600 ohms

80-15KHz

Fe27Φ6t

25.0g

HMU-530

-48dB±3dB

Uni

120dB SPL

300-600 ohms

80-15KHz

Fe27Φ6t

25.5g

HMU-600ST

-46dB±3dB

Uni

120dB SPL

300-600 ohms

60-18KHz

Alnico13Φ

30.0g

HMU-650

-46dB±3dB

Uni

120dB SPL

300-600 ohms

60-18KHz

Alnico13Φ

27.0g

HMU-660

-45dB±3dB

Uni

120dB SPL

300-600 ohms

60-18KHz

Alnico13Φ

34.5g

HCU-330

-48dB±3dB

Uni

120dB SPL

300-600 ohms

200-10KHz

Fe27Φ6t

28.5g

HCU-390

-48dB±±3dB

Uni

120dB SPL

300-600 ohms

200-10KHz

Fe32Φ6t

34.5g