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King Sound KS-H2 Electrostatic Headphones


Sold Out & Discontinued.

All Sales Final.

The KingSound KS-H2 Electrostatic Headphones include an improved headband and cups from the KS-H1.

All other attributes of the KS-H2 remain the same including the drivers and sound quality. 

Headfonics Review

The KS-H2 headphones are the second electrostatic headphones created by KingSound.  Moon Audio has included a description of the technology behind Electrostatic headphones and loudspeakers below.

KingSound KS-H2 electrostatic headphone inside

How do Electrostatic headphones and speakers work?

The electrostatic loudspeaker is very simple in concept, but difficult to construct successfully in practice. The operation relies on electrostatic attraction and repulsion, in much the same way as a piece of thin paper attracted to a rubber balloon that is charged by rubbing it against fabric.

The electrically charged ultra-thin conductive film diaphragm is tensioned and placed close between two metal grids. When a high voltage audio signal is applied to the metal grids, the diaphragm moves in response to the signal, moving towards the grid which at that instant is oppositely charged, and away from the grid which has the same charge as the diaphragm. The diaphragm responds in an essentially linear manner, producing sound waves which are a very accurate reproduction of the original sound.

Why is it better?

Imagine a normal speaker as a point source, from which the sound waves produced diffract at a great angle. This causes rapid decrease in volume and quality over a short distance.

Then imagine a flat electrostatic panel producing sound from the same input signal. This time the sound waves are produced over a large, flat area, therefore they have very little diffraction and the volume decreases much less over the same distance.

Product Reviews

Frequency Response
10Hz - 46kHz
Electrostatic Capacity 140pF
Impedence 113kΩ (at 10kHz)
Sensitivity 109 dB (at 100vrms)
Maximum Output Sound Level 116dB
Standard Bias Voltage 550Vdc
Weight 0.42kg

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