Gain: 1.5-3.0
Visual range: 60°~90°
Scope of application: frame screen, tension screen, electric pull-up screen
Screen characteristics: High-gain sound-transmitting screen, with a sound-transmitting aperture of 0.8-1.2
The sound has a low penetration attenuation rate, and the image has a high level of three-dimensional depth perception,
Used for passive polarization 3D sound-transmitting projection.
