Acoustic Perf HD Grey 70

Grey front projection materids is from Europe.The characteristic grey coating makes an excellent light absorption,keeps the original white,enhance the black and to a septuple contrast.Wide viewing angle ensures the high definition output without any resolution.0.5mm perforated size and 5.89% density provide an excellent sound transmission,especially for the mid-high audio frequency.
Gain:0.7

Viewing angle:160º

Thickness:0.35mm

Max. Width: 2300mm

Perforation size: 0.4mm

Perforated density:5.89%

Perforation Per square meter:300,000

Acoustic Transmittance: -2.5dB~-5.0dB(8KHz-16KHz)

Ambient Resistance:3/10

Suitable for tensioned screen and fixed frame screen