Light Harmonic Oscar XXI Ultra HD Headphone

Sound Chamber: Patent pending hexagon back sound chamber(hbsc) structure for zero resonance and new level of calrity. Also the hexagon alloy increase structural rigidity
Light Harmonic has designed a new 4-way crossover network that leverages every component inside the sound chamber. This includes not only the 21 balanced armature drivers, but also the unique hexagonal shape of internal chamber.
2 Ultra-low frequency drivers with a resonance-free chamber and 3D printed brackets to support the best ultra-low bass extension down to 18 Hz
2 low frequency drivers work hand in hand with the ultra-low frequency drivers and integrate seamlessly with the mid and high-mid drivers
8+4 mid and mid-high frequency drivers for ultra-low distortion and fuller, more accurate human vocal presentation